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153-500: Karl-Gerät (040/041) ( lit.   ' Karl-device ' in German), also known as Mörser Karl , was a World War II German self-propelled siege mortar ( Mörser ) designed and built by Rheinmetall . Its heaviest munition was a 60 cm (24 in) diameter, 2,170 kg (4,780 lb) shell ; the range for its lightest shell of 1,250 kg (2,760 lb) was just over 10 km (6.2 mi). Each gun had to be accompanied by

306-736: A Gerät 041 . Battery 428 didn't remain near Warsaw much longer and departed for Jüterbog itself on 15 November. Battery 428 exchanged its guns for Nr. II and VI (both with Gerät 040 ) and departed for the West on 14 December 1944 to participate in Operation Watch on the Rhine (Unternehmen Wacht am Rhein), which would be known by Americans as the Battle of the Bulge , but didn't reach the front until 29 December. Battery 628 followed on 20 December after equipping with Nr. IV,

459-636: A border and commercial agreement addressing several open issues in January 1941. According to historian Robert Service , Joseph Stalin was convinced that the overall military strength of the Soviet Union was such that he had nothing to fear and anticipated an easy victory should Germany attack; moreover, Stalin believed that since the Germans were still fighting the British in the west, Hitler would be unlikely to open up

612-450: A turret on a tracked chassis so they superficially resemble tanks. However, they are generally lightly armoured, which is insufficient to withstand direct-fire combat; nonetheless this protects their crews against shrapnel and small arms and therefore they are usually included as armoured fighting vehicles . Many are equipped with machine guns for defense against enemy infantry. The key advantage of self-propelled over towed artillery

765-597: A 12th-century Holy Roman Emperor and Crusader , put into action Nazi Germany's ideological goals of eradicating communism and conquering the western Soviet Union to repopulate it with Germans . The German Generalplan Ost aimed to use some of the conquered people as forced labour for the Axis war effort while acquiring the oil reserves of the Caucasus as well as the agricultural resources of various Soviet territories, including Ukraine and Byelorussia . Their ultimate goal

918-463: A German military attaché and sent word to Zhou Enlai . The Chinese maintain the tipoff helped Stalin make preparations, though little exists to confirm the Soviets made any real changes upon receiving the intelligence. In early 1941, Stalin's own intelligence services and American intelligence gave regular and repeated warnings of an impending German attack. Soviet spy Richard Sorge also gave Stalin

1071-470: A Soviet counteroffensive along with the remaining forces of the first echelon. But on 22 June 1941 the first echelon contained 171 divisions, numbering 2.6–2.9 million; and the second strategic echelon contained 57 divisions that were still mobilising, most of which were still understrength. The second echelon was undetected by German intelligence until days after the invasion commenced, in most cases only when German ground forces encountered them. At

1224-615: A battery was ordered to be created immediately with one 54 cm (21 in) Karl-Gerät and sent to the 9th Army to help it suppress the Warsaw Uprising . The next day the Kommando für Sonder-Geräte formed the Army Artillery Battery (Static) 638 Heeres-Artillerie Batterie (bodenständige) with 60 cm Karl-Gerät Nr. VI "Ziu" since no 54 cm weapon was available and a firing table had not yet been computed. It arrived at

1377-529: A crane, a two-piece heavy transport set of railcars, and several modified tanks to carry shells. Seven guns were built, six of which saw combat between 1941 and 1945. It was used in attacking the Soviet fortresses of Brest-Litovsk and Sevastopol , bombarded Polish resistance fighters in the Warsaw Uprising , participated in the Battle of the Bulge , and was used to try to destroy the Ludendorff Bridge during

1530-553: A few Komsomolets tractor-mounted 57   mm ZiS-2 guns early in the war. By 1943, the series of Samokhodnaya Ustanovka casemate-armored vehicles had started to appear at the front, starting with the SU-85 , and by late 1944 the SU-100 , which mounted powerful guns on modern chassis adopting the full-casemate enclosure of the crew compartment as the Germans had done with the StuG III. These had

1683-467: A few more 60 cm dud shells were found in Warsaw. The most recent one was found on 28 August 2012 about 10 m (30 ft) below surface of the ground in the neighborhood of Plac Powstańców Warszawy during construction of the second metro line in Warsaw. On 24 August 1944 OKH noted that it had been very successful in combat and ordered another Karl-Gerät sent to Warsaw. A second battery, numbered 428,

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1836-534: A figure greater than the number of Red Army soldiers killed in battle by then. German army commanders cast Jews as the major cause behind the " partisan struggle." The main guideline for German troops was "Where there's a partisan, there's a Jew, and where there's a Jew, there's a partisan" or "The partisan is where the Jew is." Many German troops viewed the war in Nazi terms and regarded their Soviet enemies as sub-human. After

1989-566: A front extending from the Arctic Ocean southward to the Black Sea , were all controlled by the OKH and organised into Army Norway , Army Group North , Army Group Centre and Army Group South , alongside three Luftflotten (air fleets, the air force equivalent of army groups) that supported the army groups: Luftflotte 1 for North, Luftflotte 2 for Centre and Luftflotte 4 for South. Army Norway

2142-436: A handful of random houses, the weapon had to be moved to the rear for repairs. Batterie 428 was also ordered towards Remagen on 11 March, but was rerouted to the 1st Army sector instead. A status report dated 22 March showed Geräte Nr. I and IV were still at Jüterbog, with Nr. I configured as a 040 and Nr. IV to be completed as a 041. Geräte Nr. II and V had left for the front on 11 and 10 March respectively. Gerät Nr. VI

2295-463: A key role in planning for Operation Barbarossa since both Jews and communists were considered equivalent enemies of the Nazi state. Nazi imperialist ambitions rejected the common humanity of both groups, declaring the supreme struggle for Lebensraum to be a Vernichtungskrieg ('war of annihilation'). On August 23, 1939, Germany and the Soviet Union signed a non-aggression pact in Moscow known as

2448-657: A major escalation of World War II, both geographically and with the Anglo-Soviet Agreement , which brought the USSR into the Allied coalition . The operation opened up the Eastern Front , in which more forces were committed than in any other theatre of war in human history. The area saw some of history's largest battles, most horrific atrocities , and highest casualties (for Soviet and Axis forces alike), all of which influenced

2601-728: A memorandum to Hitler on the dangers of an invasion of the Soviet Union. They argued that the eastern territories ( Ukrainian Soviet Socialist Republic , the Byelorussian Soviet Socialist Republic , the Estonian Soviet Socialist Republic , the Latvian Soviet Socialist Republic , and the Lithuanian Soviet Socialist Republic ) would only end up as a further economic burden for Germany. It was further argued that

2754-513: A million Soviet Jews as part of the Holocaust . The failure of Operation Barbarossa reversed the fortunes of Nazi Germany. Operationally, German forces achieved significant victories and occupied some of the most important economic areas of the Soviet Union (mainly in Ukraine) and inflicted, as well as sustained, heavy casualties. The German offensive came to an end during the Battle of Moscow near

2907-616: A number far greater than the Germans had at their disposal. The Soviet Union had around 23,000 tanks available of which 14,700 were combat-ready. Around 11,000 tanks were in the western military districts that faced the German invasion force. Hitler later declared to some of his generals, "If I had known about the Russian tank strength in 1941 I would not have attacked". However, maintenance and readiness standards were very poor; ammunition and radios were in short supply, and many armoured units lacked

3060-456: A potential Soviet entry into the pact . After two days of negotiations in Berlin from 12 to 14 November 1940, Ribbentrop presented a draft treaty for a Soviet entry into the Axis. However, Hitler had no intention of allowing the Soviet Union into the Axis and in an order stated, "Political conversations designed to clarify the attitude of Russia in the immediate future have been started. Regardless of

3213-653: A racial war between the disciplined Germans and the Jewish, Romani and Slavic Untermenschen . An 'order from the Führer' stated that the paramilitary SS Einsatzgruppen , which closely followed the Wehrmacht ' s advance, were to execute all Soviet functionaries who were "less valuable Asiatics, Gypsies and Jews." Six months into the invasion of the Soviet Union, the Einsatzgruppen had murdered more than 500,000 Soviet Jews,

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3366-500: A significant role throughout the Cold War era conflicts and in the 1991 Gulf War . Modern SP artillery is highly computerized, with the ability to self-survey firing positions using systems such as GPS and inertial navigation systems . This, in conjunction with digital fire control /ballistic computers and digital communications, allows individual guns to disperse over a wide area and still deliver rounds on target simultaneously with

3519-530: A simple rocket rack on the back, a cheap and crushingly effective weapon, provided area saturation was called for rather than accurate fire. The Axis powers had captured the Katyusha and made their own versions; Germany created the 8 cm Raketen-Vielfachwerfer , while Romania developed the Mareșal tank destroyer , an early prototype of which was armed with a Katyusha. It also had self-propelled howitzer versions. After

3672-432: A superstructure capable of carrying four shells that replaced the turret, and outfitted with a crane as Munitionsschlepper für Karl-Gerät ammunition transporters/loaders. Two or three of these Munitionsschlepper were assigned to each weapon. The 124-ton vehicle was propelled by a Daimler-Benz MB 503A 12-cylinder liquid-cooled gasoline engine or a Daimler-Benz MB 507C 12-cylinder liquid-cooled diesel engine , but this

3825-616: A two-front war and subsequently delayed the reconstruction of defensive fortifications in the border regions. When German soldiers swam across the Bug River to warn the Red Army of an impending attack, they were shot as enemy agents. Some historians believe that Stalin, despite providing an amicable front to Hitler, did not wish to remain allies with Germany. Rather, Stalin might have had intentions to break off from Germany and proceed with his own campaign against Germany to be followed by one against

3978-467: A very narrow military view. Hillgruber argued that because these assumptions were shared by the entire military elite, Hitler was able to push through with a "war of annihilation" that would be waged in the most inhumane fashion possible with the complicity of "several military leaders," even though it was quite clear that this would be in violation of all accepted norms of warfare. Even so, in autumn 1940, some high-ranking German military officials drafted

4131-577: A war of Weltanschauungen ['worldviews']... totally a people's war, a racial war ". On 23 November, once World War II had already started, Hitler declared that "racial war has broken out and this war shall determine who shall govern Europe, and with it, the world". The racial policy of Nazi Germany portrayed the Soviet Union (and all of Eastern Europe) as populated by non-Aryan Untermenschen ('sub-humans'), ruled by Jewish Bolshevik conspirators. Hitler claimed in Mein Kampf that Germany's destiny

4284-400: Is a 120 mm automatic twin-barrelled, breech-loaded mortar turret. There are also numerous AFVs and even main battle tanks that can be equipped with a mortar, either outside or inside the cabin. The Israeli Merkava main battle tank carried a 60 mm mortar in the small troop compartment in the rear, which fired through an opening in the roof, allowing the crew to remain protected. This

4437-409: Is available for No. VII, the experimental model, and the data below must be regarded as unconfirmed. The original heavy 600 mm (24 in) concrete-piercing shells ( schwere Betongranate ) made a crater up to 15 m (49 ft) wide and 5 m (16 ft) deep. More range was desired and the light concrete-piercing shell ( leichte Betongranate) 040 was introduced in 1942. Firing trials for

4590-474: Is known of First Battery's operations except that IV Army Corps reported on 23 June that the battery was no longer needed and was no longer operational due to technical deficiencies. Second Battery's weapons had some assembly problems, issues with the electrical firing mechanism and non-standard ammunition, not surprising for the Karl-Gerät' s combat debut, but managed to fire 31 of their 36 rounds by 24 June. It

4743-414: Is that it can be brought into action much faster. Before the towed artillery can be used, it has to stop, unlimber and set up the guns. To move position, the guns must be limbered up again and brought—usually towed—to the new location. By comparison, self-propelled artillery can stop at a chosen location and begin firing almost immediately, then quickly move on to a new position. This shoot-and-scoot ability

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4896-555: Is very useful in a mobile conflict and particularly on the advance in open battlefields. Conversely, towed artillery was and remains cheaper to build and maintain. It is also lighter and can be deployed in areas that self-propelled guns cannot reach. Since the Vietnam War , heavy transport helicopters have also been used for rapid artillery deployment albeit at considerable expense and risk, mitigating one of towed artillery's disadvantages. Both self-propelled and towed artillery remain in

5049-503: The Einsatzgruppen were assigned to the Wehrmacht ' s units, which provided them with supplies such as gasoline and food, they were controlled by the RSHA. The official plan for Barbarossa assumed that the army groups would be able to advance freely to their primary objectives simultaneously, without spreading thin, once they had won the border battles and destroyed the Red Army's forces in

5202-423: The 11th Army reported all three Karl-Geräte were at the front with a total of 72 heavy and 50 light concrete-piercing shells. LIV Army Corps reported that 19 heavy shells were fired between 2 and 6 June, 54 on 7 June and all 50 light shells between 8 and 13 June. More shells (29 heavy and 50 light) were shipped to the battery before the end of the month. All 50 light shells were fired on 30 June and 25 heavy shells

5355-527: The Battle of Remagen . One Karl-Gerät has survived; the remainder were scrapped after the war. In March 1936 Rheinmetall made a proposal for a super-heavy howitzer to attack the Maginot Line . Their initial concept was for a weapon that would be transported by several tracked vehicles and assembled on site, but the lengthy preparation time drove them to change it to a self-propelled weapon in January 1937. Extensive driving trials took place in 1938 and 1939 using

5508-710: The Brummbär ), leftover chassis from cancelled programs ( Elefant and Sturer Emil ); others were converted from battle-damaged tanks ( Sturmtiger ). The single most-produced armored fighting vehicle design for Germany in WW II, the Sturmgeschütz III (StuG III) assault gun, in 1936–1937 pioneered the later casemate-style fully enclosed armor that would be used on almost all late-war German self-propelled artillery and Jagdpanzer -format tank destroyers. The Soviets experimented with truck- and tank-based self-propelled weapons, producing

5661-522: The Donbas second, Moscow third;" but he consistently emphasized the destruction of the Red Army over the achievement of specific terrain objectives. Hitler believed Moscow to be of "no great importance" in the defeat of the Soviet Union and instead believed victory would come with the destruction of the Red Army west of the capital, especially west of the Western Dvina and Dnieper rivers, and this pervaded

5814-549: The German High Command began planning an invasion of the Soviet Union in July 1940 (under the code-name Operation Otto ). Over the course of the operation, over 3.8 million personnel of the Axis powers—the largest invasion force in the history of warfare —invaded the western Soviet Union, along a 2,900-kilometer (1,800 mi) front, with 600,000 motor vehicles and over 600,000 horses for non-combat operations. The offensive marked

5967-722: The Holy Roman Emperor Frederick Barbarossa —who drowned in Asia Minor while leading the Third Crusade —was not dead but asleep, along with his knights, in a cave in the Kyffhäuser mountains in Thuringia , and would awaken in the hour of Germany's greatest need and restore the nation to its former glory. Originally, the invasion of the Soviet Union was codenamed Operation Otto (alluding to Holy Roman Emperor Otto

6120-504: The Islamic gunpowder empires , especially those of Iran, especially in the rugged Iranian plateau , where the transportation of heavy cannons is difficult. The British Gun Carrier Mark I was the first example of a self-propelled gun, fielded in 1917 during World War I . It was based on the first tank , the British Mark I and carried a heavy field gun. The gun could either be fired from

6273-533: The M3 half track and M113 APC , to vehicles specifically intended to carry a mortar, such as the 2S31 Vena . The Israeli Makmat is a mortar carrier based on the M4 Sherman tank chassis. The Russian army uses a 2S4 Tyulpan (Tulip) self-propelled 240 mm heavy mortar. Patria Hägglunds , a joint venture between Finnish Patria and Swedish BAE Systems Hägglunds , manufactures AMOS (Advanced Mortar System), which

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6426-788: The Marder I , using captured French Lorraine 37L tractors, the Marder II , using the Panzer II light tank chassis, and the Marder III , which was based on the Panzer 38(t) Czech chassis. These led to better-protected assault guns – Sturmgeschütz – with fully enclosed casemates , built on medium tank chassis. In the same way self-propelled anti-tank guns such as the Jagdpanzer IV and Jagdpanther were built. Some designs were based on existing chassis (such as

6579-506: The Molotov–Ribbentrop Pact . A secret protocol to the pact outlined an agreement between Germany and the Soviet Union on the division of the eastern European border states between their respective " spheres of influence ," Soviet Union and Germany would partition Poland in the event of an invasion by Germany, and the Soviets would be allowed to overrun Finland , Estonia , Latvia and the region of Bessarabia . On 23 August 1939

6732-612: The Winter War against Finland in 1939–40 also convinced Hitler of a quick victory within a few months. Neither Hitler nor the General Staff anticipated a long campaign lasting into the winter and therefore, adequate preparations such as the distribution of warm clothing and winterisation of important military equipment like tanks and artillery, were not made. Further to Hitler's Directive, Göring's Green Folder , issued in March 1941, laid out

6885-548: The arsenals of many modern armies. During the Thirty Years' War , early 17th-century experiments were made with early types of horse artillery . Batteries towed light field guns where most or all of the crew rode horses into battle. The gunners were trained to quickly dismount, deploy the guns and provide instant fire support to cavalry, and act as a flexible reserve. The Russian army organized small units of horse artillery that were distributed among their cavalry formations in

7038-503: The myth of the "clean Wehrmacht, " upholding its honor in the face of Hitler's fanaticism, the historian Jürgen Förster notes that "In fact, the military commanders were caught up in the ideological character of the conflict, and involved in its implementation as willing participants". Before and during the invasion of the Soviet Union, German troops were indoctrinated with anti-Bolshevik , anti-Semitic and anti-Slavic ideology via movies, radio, lectures, books, and leaflets. Likening

7191-734: The 22 June start date was sufficient for the German offensive to reach Moscow by September. Antony Beevor wrote in 2012 about the delay caused by German attacks in the Balkans that "most [historians] accept that it made little difference" to the eventual outcome of Barbarossa. The Germans deployed one independent regiment, one separate motorised training brigade and 153 divisions for Barbarossa, which included 104 infantry, 19 panzer and 15 motorised infantry divisions in three army groups, nine security divisions to operate in conquered territories, four divisions in Finland and two divisions as reserve under

7344-471: The 540 mm (21 in) shells were not completed until the end of 1944 and they were not used in combat before then. The original 600 mm heavy shell had no designation other than the name. The Gerät number was added for the newer shells. On 3 January 1941 Heavy Battery (schwere Batterie) 833 was created at the Bergen training ground and ordered to be combat ready by 15 February 1941. On 2 April 1941 it

7497-664: The British Sexton (25 pdr) and the German Wespe and Hummel being typical examples. A different route was chosen by the Soviets, who did not develop a specialized indirect-fire vehicle, but following a tradition of dual-purpose towed artillery, built a series of versatile assault guns with indirect-fire capabilities (example ISU-152 ). A related and novel program was the development of the Soviet Katyusha self-propelled multiple rocket launchers , which were unarmored trucks with

7650-499: The German war effort by circumventing the British blockade of Germany . Despite the parties' ostensibly cordial relations, each side was highly suspicious of the other's intentions. For instance, the Soviet invasion of Bukovina in June 1940 went beyond their sphere of influence as agreed with Germany. After Germany entered the Axis Pact with Japan and Italy, it began negotiations about

7803-714: The German campaign in France, in late 1940 they began to reorganise most of their armoured assets back into mechanised corps with a target strength of 1,031 tanks each. But these large armoured formations were unwieldy, and moreover they were spread out in scattered garrisons, with their subordinate divisions up to 100 kilometres (62 miles) apart. The reorganisation was still in progress and incomplete when Barbarossa commenced. Soviet tank units were rarely well equipped, and they lacked training and logistical support. Units were sent into combat with no arrangements in place for refuelling, ammunition resupply, or personnel replacement. Often, after

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7956-454: The Germans were fighting for "the defence of European culture against Moscovite–Asiatic inundation, and the repulse of Jewish Bolshevism ... No adherents of the present Russian-Bolshevik system are to be spared." Walther von Brauchitsch also told his subordinates that troops should view the war as a "struggle between two different races and [should] act with the necessary severity." Racial motivations were central to Nazi ideology and played

8109-496: The Germans were unprepared. Following the heavy losses and logistical strain of Barbarossa, the Wehrmacht ' s diminished forces could no longer attack along the entire Eastern Front, and subsequent operations to retake the initiative and drive deep into Soviet territory—such as Case Blue in 1942 and Operation Citadel in 1943—were weaker and eventually failed, which resulted in the Wehrmacht ' s defeat. These Soviet victories ended Germany's territorial expansion and presaged

8262-563: The Great 's expansive campaigns in Eastern Europe), but Hitler had the name changed to Operation Barbarossa in December 1940. Hitler had in July 1937 praised Barbarossa as the emperor who first expressed Germanic cultural ideas and carried them to the outside world through his imperial mission. For Hitler, the name Barbarossa signified his belief that the conquest of the Soviet Union would usher in

8415-511: The Mobilisation Plan 1941 (MP-41), called for the deployment of 186 divisions, as the first strategic echelon, in the four military districts of the western Soviet Union that faced the Axis territories; and the deployment of another 51 divisions along the Dvina and Dnieper Rivers as the second strategic echelon under Stavka control, which in the case of a German invasion was tasked to spearhead

8568-522: The Nazi " Thousand-Year Reich ". As early as 1925, Adolf Hitler vaguely declared in his political manifesto and autobiography Mein Kampf that he would invade the Soviet Union , asserting that the German people needed to secure Lebensraum ('living space') to ensure the survival of Germany for generations to come. On 10 February 1939, Hitler told his army commanders that the next war would be "purely

8721-468: The Red Army was developed and promulgated in the 1936 Field Regulations in the form of the Deep Battle Concept . Defence expenditure also grew rapidly from just 12 percent of the gross national product in 1933 to 18 percent by 1940. During Joseph Stalin's Great Purge in the late 1930s, which had not ended by the time of the German invasion on 22 June 1941, much of the officer corps of the Red Army

8874-455: The Soviet Union in Mein Kampf and Hitler's belief that the Red Army would need four years to ready itself. Stalin declared "we must be ready much earlier" and "we will try to delay the war for another two years". As early as August 1940, British intelligence had received hints of German plans to attack the Soviets a week after Hitler informally approved the plans for Barbarossa and warned the Soviet Union accordingly. Some of this intelligence

9027-410: The Soviet Union's "most important and strongest enemy," and as early as July 1940, the Red Army Chief of Staff, Boris Shaposhnikov , produced a preliminary three-pronged plan of attack for what a German invasion might look like, remarkably similar to the actual attack. Since April 1941, the Germans had begun setting up Operation Haifisch and Operation Harpune to substantiate their claims that Britain

9180-484: The Soviet border even before the campaign in the Balkans had finished. By the third week of February 1941, 680,000 German soldiers were gathered in assembly areas on the Romanian-Soviet border. In preparation for the attack, Hitler had secretly moved upwards of 3 million German troops and approximately 690,000 Axis soldiers to the Soviet border regions. Additional Luftwaffe operations included numerous aerial surveillance missions over Soviet territory many months before

9333-463: The Soviet regime's brutality when targeting the Slavs with propaganda. They also claimed that the Red Army was preparing to attack the Germans , and their own invasion was thus presented as a pre-emptive strike. Hitler also utilised the rising tension between the Soviet Union and Germany over territories in the Balkans as one of the pretexts for the invasion. While no concrete plans had yet been made, Hitler told one of his generals in June 1940 that

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9486-495: The Soviets to the forces of Genghis Khan , Hitler told the Croatian military leader Slavko Kvaternik that the "Mongolian race" threatened Europe. Following the invasion, many Wehrmacht officers told their soldiers to target people who were described as "Jewish Bolshevik subhumans," the "Mongol hordes," the "Asiatic flood" and the "Red beast." Nazi propaganda portrayed the war against the Soviet Union as an ideological war between German National Socialism and Jewish Bolshevism and

9639-405: The Soviets, in their current bureaucratic form, were harmless and that the occupation would not benefit Germany politically either. Hitler, solely focused on his ultimate ideological goal of eliminating the Soviet Union and Communism, disagreed with economists about the risks and told his right-hand man Hermann Göring , the chief of the Luftwaffe , that he would no longer listen to misgivings about

9792-423: The StuG III, and the immense 152 mm howitzer-armed, Soviet ISU-152 , both fully casemated in their design, are examples of this type of self-propelled artillery. All major nations developed self-propelled artillery that would be able to provide indirect support while keeping pace with advancing armoured formations. These were usually lightly armoured vehicles with an open-topped hull; the American M7 Priest ,

9945-461: The War. This mounted an 18-pounder field gun, capable of both the usual artillery trajectories and high-angle anti-aircraft fire , on a Vickers medium tank chassis. It was designed and built for investigations into a general approach to warfare where all arms, infantry and artillery included, would be able to operate over the same terrain as tanks. The Red Army also experimented with truck- and tank-mounted artillery, but produced none in quantity. At

10098-426: The Warsaw West railway station at 07:00 on 17 August 1944; the ammunition train arrived the following morning. The mortar "Ziu" was set up in the Sowiński Park near the statue of general Józef Sowiński in Wola district. The 60 cm caliber mortar shells were designed to destroy bunkers. Often they did not explode when they hit buildings or soft ground in Warsaw. On 18 August 1944 a shell fired from mortar "Ziu" hit

10251-511: The advantage of being relatively cheap to build and mounting a larger gun compared to the conventional tank that they were derived from, but at the expense of flexibility. Heavily armoured assault guns were designed to provide direct-fire support to infantry in the face of enemy defenses. Although often similar to tank destroyers, they carried larger-caliber guns with weaker anti-armor performance but capable of firing powerful HE projectiles. The German 105 mm howitzer-armed StuH 42 based on

10404-428: The agenda for the next step after the anticipated quick conquest of the Soviet Union. The Hunger Plan outlined how entire urban populations of conquered territories were to be starved to death, thus creating an agricultural surplus to feed Germany and urban space for the German upper class. Nazi policy aimed to destroy the Soviet Union as a political entity in accordance with the geopolitical Lebensraum ideals for

10557-399: The annexation of the eastern part of the country. As a result of the pact, Germany and the Soviet Union maintained reasonably strong diplomatic relations for two years and fostered an important economic relationship . The countries entered a trade pact in 1940 by which the Soviets received German military equipment and trade goods in exchange for raw materials, such as oil and wheat, to help

10710-453: The approach route prepared ahead of time to fill in soft spots and any ditches, etc. The mortar could only be loaded at zero elevation, so it had to be re-aimed between shots. The various Karl-Geräte used two different types of transmissions, engines and suspension system in a bewildering set of combinations. The table below outlines how each vehicle was outfitted. After May 1944 the gasoline engines were replaced by diesels. Little information

10863-400: The attack. Although the Soviet High Command was alarmed by this, Stalin's belief that Nazi Germany was unlikely to attack only two years after signing the Molotov–Ribbentrop Pact resulted in slow Soviet preparation. This fact aside, the Soviets did not entirely overlook the threat of their German neighbor. Well before the German invasion, Marshal Semyon Timoshenko referred to the Germans as

11016-603: The battalion was ordered to return the Karl-Geräte to Leipzig on 8 August. Just like the 833rd the battalion was ordered to reform with eight 21 cm (8.3 in) Mörser 18 howitzers on 29 August 1943 with effect by 10 September. A Unit for Karl-Geräte (Kommando für Karl-Geräte) was formed on that same date as caretakers for the weapons. This was redesignated Unit for Special-Equipment of Heavy Artillery Battalion (motorized) (Kommando für Sonder-Gerät des schwere Artillerie-Abteilung (mot.)) 628 on 2 June 1944. On 13 August 1944

11169-528: The benefit of future generations of the " Nordic master race ". In 1941, Nazi ideologue Alfred Rosenberg —later appointed Reich Minister of the Occupied Eastern Territories—suggested that conquered Soviet territory should be administered in the following Reichskommissariate ('Reich Commissionerships'): German military planners also researched Napoleon's failed invasion of Russia . In their calculations, they concluded that there

11322-462: The border area. In 1930, Mikhail Tukhachevsky , a prominent military theorist in tank warfare in the interwar period and later Marshal of the Soviet Union , forwarded a memo to the Kremlin that lobbied for colossal investment in the resources required for the mass production of weapons, pressing the case for "40,000 aircraft and 50,000 tanks." In the early 1930s, a modern operational doctrine for

11475-434: The building at Moniuszki 10 street, where the famous Warsaw restaurant "Adria" was located. The shell broke through several stories of the building, roof and floor of the restaurant and finally stopped in the basement, but it did not explode. Sappers of Polish Home Army disarmed the dud shell and removed the explosive charge. The explosive was used to produce hand grenades ( Filipinkas ) for Polish soldiers. The empty shell

11628-566: The course of World War II and the subsequent history of the 20th century . The German armies eventually captured five million Soviet Red Army troops and deliberately starved to death or otherwise killed 3.3 million Soviet prisoners of war, and millions of civilians, as the " Hunger Plan " worked to solve German food shortages and exterminate the Slavic population through starvation. Mass shootings and gassing operations , carried out by German death squads or willing collaborators, murdered over

11781-602: The creation of military units. Beginning in July 1940, the Red Army General Staff developed war plans that identified the Wehrmacht as the most dangerous threat to the Soviet Union, and that in the case of a war with Germany, the Wehrmacht ' s main attack would come through the region north of the Pripyat Marshes into Belorussia, which later proved to be correct. Stalin disagreed, and in October, he authorised

11934-469: The development of new plans that assumed a German attack would focus on the region south of Pripyat Marshes towards the economically vital regions in Ukraine. This became the basis for all subsequent Soviet war plans and the deployment of their armed forces in preparation for the German invasion. In the Soviet Union, speaking to his generals in December 1940, Stalin mentioned Hitler's references to an attack on

12087-542: The direct control of OKH . These were equipped with 6,867 armoured vehicles, of which 3,350–3,795 were tanks, 2,770–4,389 aircraft (that amounted to 65 percent of the Luftwaffe ), 7,200–23,435 artillery pieces, 17,081 mortars, about 600,000 motor vehicles and 625,000–700,000 horses. Finland slated 14 divisions for the invasion, and Romania offered 13 divisions and eight brigades over the course of Barbarossa. The entire Axis forces, 3.8 million personnel, deployed across

12240-457: The dissemination of the Nazi racial plan, as he informed the 4th Panzer Group that the war against the Soviet Union was "an essential part of the German people's struggle for existence" ( Daseinskampf ), also referring to the imminent battle as the "old struggle of Germans against Slavs" and even stated, "the struggle must aim at the annihilation of today's Russia and must, therefore, be waged with unparalleled harshness." Hoepner also added that

12393-787: The earlier TOT ( time on target ) concept. The necessary rapid reloading is made possible by an automated ammunition feed system. Rockets have greater ranges and carry much more complex " shells " than guns, since there is less restriction on size (calibre). A multiple launch rocket system (MLRS) can be used to saturate a large area with sub-munitions. Operation Barbarossa Frontline strength (22 June 1941) Frontline strength (22 June 1941) Total military casualties: 1,000,000+ According to German Army medical reports (including Army Norway ): Other involved country losses Total military casualties: 4,500,000 Based on Soviet archives: Phase 1 Phase 2 Phase 3 Phase 4 Air war Operation Barbarossa

12546-601: The early 18th century. While not forming large batteries and employing only lighter 2- and 3-pound guns, they were still effective and inflicted serious losses to Prussian units in the Seven Years' War . This inspired Frederick the Great to organize the first regular horse artillery unit in 1759. Other nations quickly realized the capability of the new arm and by the start of French Revolutionary Wars in 1790s Austria, Hannover, Portugal, Russia, France, Great Britain and Sweden had all formed regular units of horse artillery. The arm

12699-464: The economic dangers of a war with the USSR. It is speculated that this was passed on to General Georg Thomas , who had produced reports that predicted a net economic drain for Germany in the event of an invasion of the Soviet Union unless its economy was captured intact and the Caucasus oilfields seized in the first blow; Thomas revised his future report to fit Hitler's wishes. The Red Army's ineptitude in

12852-678: The end of World War II , the assault gun fell from use with a general trend towards a single heavy gun-equipped vehicle, the main battle tank , although some wheeled AFVs such as the South African Rooikat , the Maneuver Combat Vehicle of the JGSDF , and the US M1128 MGS , among others, are still developed with large-caliber, direct-fire weapons. Self-propelled indirect-fire artillery remains important and continues to develop alongside

13005-482: The end of 1941, and the subsequent Soviet winter counteroffensive pushed the Germans about 250 km (160 mi) back. German high command anticipated a quick collapse of Soviet resistance as in the invasion of Poland , analogous to the reaction Russia had during World War I, but instead the Red Army absorbed the German Wehrmacht ' s strongest blows and bogged it down in a war of attrition for which

13158-466: The eventual defeat and collapse of Nazi Germany in 1945. The theme of Barbarossa had long been used by the Nazi Party as part of their political imagery, though this was really a continuation of the glorification of the famous Crusader king by German nationalists since the 19th century. According to a Germanic medieval legend, revived in the 19th century by the nationalistic tropes of German Romanticism ,

13311-467: The exact German launch date, but Sorge and other informers had previously given different invasion dates that passed peacefully before the actual invasion. Stalin acknowledged the possibility of an attack in general and therefore made significant preparations, but decided not to run the risk of provoking Hitler. In early 1941, Stalin authorised the State Defence Plan 1941 (DP-41), which along with

13464-553: The first Neubaufahrzeug tank prototype and a scale model to investigate the extremely high ground pressure and steering of such an enormous vehicle. Firing trials took place in June 1939. The full-scale driving trials were held at Unterlüss in May 1940. General Karl Becker of the Artillery was involved in the development, from whom the huge weapon gained its nickname. In total, seven Karl-Gerät howitzers were manufactured. The first six had

13617-472: The first 54 cm Gerät 041 to be committed to battle. Little is known of their activities during the battle, but Gerät Nr. II was damaged en route by a bomb and was back in Jüterbog on 6 January 1945. It was repaired using parts from Karl Nr. I by 3 February. Gerät Nr. IV was damaged by a number of penetrating hits and arrived in Jüterbog on 31 January. Gerät Nr. VI was still at the front on 19 January. In

13770-485: The following day. Many of these shells were fired at the two 305-millimetre (12.0 in) twin-gun armored turrets of the Maxim Gorkii coastal defense battery , although shells fired at the turrets had little effect other than to jam one of the turrets and possibly knock out electrical power to the turrets, both of which were repaired without too much trouble. They did rather more damage to the concrete structure supporting

13923-509: The general-purpose field gun. Many vehicles have used ancillary smoke mortars for local defense, which project one or more smoke grenades in a pattern that allows them to lay down a smoke screen some distance in order to conceal the vehicle from enemy observers. Mortar carriers are vehicles which carry a mortar as a primary weapon. Numerous vehicles have been used to mount mortars, from improvised civilian trucks used by insurgents , to modified infantry fighting vehicles , such as variants of

14076-408: The gun and its crew. Many of the early designs were improvised, and the lessons learned led to better designs later in the war. For example, the first British design, " Bishop ", carried the 25 pdr gun-howitzer on a Valentine tank chassis, but in a mounting that severely limited the gun's performance. It was replaced by the more effective Sexton . The first battery of self-propelled artillery guns

14229-521: The increased firepower provided by modern mobile howitzers is the latest version of the 155 mm G6 howitzer , the G6-52. It can fire up to six rounds in quick succession that will land nearly simultaneously. This is achieved by firing the shells at different trajectories so that the first round has the longest flight time and the last round the shortest. This is an improvement of the concept of multiple-round simultaneous impact (MRSI), itself an enhancement of

14382-498: The invasion. Buell adds that an unusually wet winter kept rivers at full flood until late spring. The floods may have discouraged an earlier attack, even if they occurred before the end of the Balkans Campaign. The importance of the delay is still debated. William Shirer argued that Hitler's Balkan Campaign had delayed the commencement of Barbarossa by several weeks and thereby jeopardised it. Many later historians argue that

14535-522: The meantime Nr. V was modified to use the 54 cm howitzer and had its engine rebuilt. Battery 628 was initially ordered to the Vistula Front on 7 March, but this was countermanded on 11 March when it was rerouted towards Remagen, where the Allies had recently captured the Ludendorff Bridge . Karl-Batterie 638 arrived on 20 March, but after only 14 rounds that missed all of the bridges and only damaged

14688-562: The negotiations differently and were willing to make huge economic concessions to secure a relationship under general terms acceptable to the Germans just a year before. On 25 November 1940, the Soviet Union offered a written counter-proposal to join the Axis if Germany would agree to refrain from interference in the Soviet Union's sphere of influence, but Germany did not respond. As both sides began colliding with each other in Eastern Europe, conflict appeared more likely, although they did sign

14841-423: The nicknames "Adam" (later "Baldur"), "Eva" (later "Wotan"), "Thor", "Odin", "Loki", and "Ziu"; the seventh, the research and test weapon (Versuchs-Gerät), had no name. Delivery of the six production vehicles took place from November 1940 to August 1941. In February 1941, discussions commenced concerning increasing the range of the weapon, and in May 1942, 54 cm (21 in) Gerät 041 barrels were ordered for

14994-557: The non-German populations in the East. Himmler believed the Germanisation process in Eastern Europe would be complete when "in the East dwell only men with truly German, Germanic blood." The Nazi secret plan Generalplan Ost , prepared in 1941 and confirmed in 1942, called for a "new order of ethnographical relations" in the territories occupied by Nazi Germany in Eastern Europe. It envisaged ethnic cleansing , executions and enslavement of

15147-453: The officers dismissed during the Great Purge were reinstated by 1941. Also, between January 1939 and May 1941, 161 new divisions were activated. Therefore, although about 75 percent of all the officers had been in their position for less than one year at the start of the German invasion of 1941, many of the short tenures can be attributed not only to the purge but also to the rapid increase in

15300-674: The operation was to be carried out. Hitler also renamed the operation to Barbarossa in honor of medieval Emperor Friedrich I of the Holy Roman Empire, a leader of the Third Crusade in the 12th century. The Barbarossa Decree , issued by Hitler on 30 March 1941, supplemented the Directive by decreeing that the war against the Soviet Union would be one of annihilation and legally sanctioned the eradication of all Communist political leaders and intellectual elites in Eastern Europe. The invasion

15453-562: The operational objective of any invasion of the Soviet Union. This assault would extend from the northern city of Arkhangelsk on the Arctic Sea through Gorky and Rostov to the port city of Astrakhan at the mouth of the Volga on the Caspian Sea . The report concluded that—once established—this military border would reduce the threat to Germany from attacks by enemy bombers . Although Hitler

15606-525: The other guns in their battery. These capabilities also increase survivability manyfold as modern SP artillery can displace and avoid counterbattery fire much more quickly and effectively and, if desired, more frequently than previously possible. In conjunction with modern logistic systems (where the SP gun's systems can track and report on ammunition consumption and levels) with similar navigation systems and palletized load dropping / lifting capabilities mean that

15759-545: The outbreak of World War II, virtually all artillery was still being moved around by artillery tractors or horses. While the German Blitzkrieg doctrine called for combined-arms action, which required fire support for armoured units, during the invasion of Poland and France this was provided by the Luftwaffe using Junkers Ju 87 'Stuka' dive-bombers effectively acting as artillery. Conventional towed howitzers followed. As

15912-449: The outcome of these conversations, all preparations for the East previously ordered orally are to be continued. [Written] directives on that will follow as soon as the basic elements of the army's plan for the operation have been submitted to me and approved by me." There would be no "long-term agreement with Russia" given that the Nazis intended to go to war with them; but the Soviets approached

16065-568: The past, self-propelled artillery has included direct-fire vehicles, such as assault guns and tank destroyers , which were typically well-armoured vehicles often based upon the chassis of a tank . In lieu of the standard tank's general-purpose main gun that fired both high-explosive and anti-tank ammunition, direct-fire vehicles had specialized roles, with assault guns providing close fire-support for infantry and tank destroyers mounting an anti-tank gun to take on enemy armour. Modern self-propelled artillery vehicles often mount their main gun in

16218-662: The period 21 March to 11 April 1945. Nr. VII, the test weapon, was captured by the US Army in Hillersleben and shipped to Aberdeen Proving Grounds but later scrapped. Nr. VI ("Ziu") was captured by the Red Army , probably when they overran Jüterbog on 20 April 1945. This is on display at the Kubinka tank museum , although marked as Nr. I ("Adam"). Nr. IV ("Odin") was also captured by the Red Army. The fates of guns Nr. I ("Adam") and Nr. III ("Thor") are unknown. Self-propelled gun In

16371-509: The plan for Barbarossa. This belief later led to disputes between Hitler and several German senior officers, including Heinz Guderian , Gerhard Engel , Fedor von Bock and Franz Halder , who believed the decisive victory could only be delivered at Moscow. They were unable to sway Hitler, who had grown overconfident in his own military judgment as a result of the rapid successes in Western Europe. The Germans had begun massing troops near

16524-616: The populations of conquered countries, with very small percentages undergoing Germanisation, expulsion into the depths of Russia or other fates, while the conquered territories would be Germanised. The plan had two parts, the Kleine Planung ('small plan'), which covered actions to be taken during the war and the Große Planung ('large plan'), which covered policies after the war was won, to be implemented gradually over 25 to 30 years. A speech given by General Erich Hoepner demonstrates

16677-412: The rapid defeat of France at the hands of the "invincible" Wehrmacht and by traditional German stereotypes of Russia as a primitive, backward "Asiatic" country. Red Army soldiers were considered brave and tough, but the officer corps was held in contempt. The leadership of the Wehrmacht paid little attention to politics, culture, and the considerable industrial capacity of the Soviet Union, in favour of

16830-452: The rapid displacement can occur without significant disruption to actually firing missions as it is possible for the ammunition to keep up with the guns. A modern battery of six guns, each firing 43 kg projectiles with a burst firing speed of four rounds per minute, can deliver over a tonne of ordnance per minute for up to four minutes. This is an immense weight of fire , which can be delivered with very high accuracy. One example of

16983-509: The rest of Europe. Other historians contend that Stalin did not plan for such an attack in June 1941, given the parlous state of the Red Army at the time of the invasion. Stalin's reputation as a brutal dictator contributed both to the Nazis' justification of their assault and to their expectations of success, as Stalin's Great Purge of the 1930s had executed many competent and experienced military officers, leaving Red Army leadership weaker than their German adversary. The Nazis often emphasized

17136-554: The rest of the world learned of this pact but were unaware of the provisions to partition Poland. The pact stunned the world because of the parties' earlier mutual hostility and their conflicting ideologies . The conclusion of this pact was followed by the German invasion of Poland on 1 September that triggered the outbreak of World War II in Europe , then the Soviet invasion of Poland that led to

17289-505: The role of political commissars at the divisional level and below to oversee the political loyalty of the army to the regime. The commissars held a position equal to that of the commander of the unit they were overseeing. But in spite of efforts to ensure the political subservience of the armed forces, in the wake of Red Army's poor performance in Poland and in the Winter War, about 80 percent of

17442-460: The six vehicles. At a conference with Adolf Hitler in March 1943 it was stated that the first Gerät 041 would be delivered by June 1943, and the third by mid-August. Only three of the Gerät 041 barrels were actually completed for mounting on Karl-Gerät Nr. I, IV and V, although any vehicle could be converted to use the smaller weapon. Twenty-two Panzer IV Ausf. D, E and F chassis were modified, with

17595-627: The southern section was in Romania. The German forces in the rear (mostly Waffen-SS and Einsatzgruppen units) were to operate in conquered territories to counter any partisan activity in areas they controlled, as well as to execute captured Soviet political commissars and Jews. On 17 June, Reich Security Main Office (RSHA) chief Reinhard Heydrich briefed around thirty to fifty Einsatzgruppen commanders on "the policy of eliminating Jews in Soviet territories, at least in general terms". While

17748-553: The start of the invasion, the manpower of the Soviet military force that had been mobilised was 5.3–5.5 million, and it was still increasing as the Soviet reserve force of 14 million, with at least basic military training, continued to mobilise. The Red Army was dispersed and still preparing when the invasion commenced. Their units were often separated and lacked adequate transportation. While transportation remained insufficient for Red Army forces, when Operation Barbarossa kicked off, they possessed some 33,000 pieces of artillery,

17901-449: The tracks to clear the rails while being transported by rail, between the pair of Schnabel railcars. The Karl-Gerät proved to have no problems moving over normal soil, but under no circumstances was it allowed to make turns on soft soil lest it throw a track. The chassis had to be backed into position to fire, which expedited movement to a new position, but the land to be used for the ordnance's firing position had to be precisely leveled and

18054-403: The trailer with the chassis on board had to cross a bridge that couldn't carry their combined weight the chassis had to be off-loaded and driven across under its own power. The weapon was moved long distances via rail on a variant of a Schnabel car ; the whole chassis was hung between two huge pedestal-mounted swiveling arms fixed to five-axle bogies . When it reached its destination, the weapon

18207-496: The trucks for supplies. The most advanced Soviet tank models—the KV-1 and T-34 —which were superior to all current German tanks, as well as all designs still in development as of the summer 1941, were not available in large numbers at the time the invasion commenced. Furthermore, in the autumn of 1939, the Soviets disbanded their mechanised corps and partly dispersed their tanks to infantry divisions; but following their observation of

18360-527: The turrets as well as the command center located some 600 metres (2,000 ft) away (called the Bastion by the Germans). On 19 July 1942 the battery was ordered to ship their weapons to Hillersleben for refurbishment. One dud shell was recovered by the Soviets and flown to Moscow for evaluation. On 7 July 1942 Heavy Artillery Battalion 833 was ordered to form another battery with one or two Karl-Geräte . This

18513-520: The use of forced labour to stimulate Germany's overall economy and the expansion of territory to improve Germany's efforts to isolate the United Kingdom. Hitler was further convinced that Britain would sue for peace once the Germans triumphed in the Soviet Union, and if they did not, he would use the resources gained in the East to defeat the British Empire . We only have to kick in the door and

18666-518: The vehicle, or removed and set up as normal. In effect, the carrier replaced the use of a separate horse team or internal combustion engine-powered artillery tractor , and allowed a new way for the gun to be used. The next major advance can be seen in the Birch gun developed by the British for their motorised warfare experimental brigade (the Experimental Mechanized Force ) after the end of

18819-476: The vehicles and equipment of Heavy Artillery Battery 628 . This became the first battery of the new battalion while the other battery was raised from scratch on 15 May as was the battalion headquarters. Each battery had two Karl-Geräte plus one in reserve. 18th Army of Army Group North had plans to use one Karl-Gerät against the Oranienbaum Bridgehead west of Leningrad during the summer of 1943, but

18972-497: The victories in Western Europe finally freed his hands for a "final showdown" with Bolshevism. With the successful end to the campaign in France , General Erich Marcks was assigned the task of drawing up the initial invasion plans of the Soviet Union. The first battle plans were entitled Operation Draft East (colloquially known as the Marcks Plan ). His report advocated the A-A line as

19125-515: The war began, the Nazis issued a ban on sexual relations between Germans and foreign slaves . There were regulations enacted against the Ost-Arbeiter ('Eastern workers') that included the death penalty for sexual relations with a German. Heinrich Himmler , in his secret memorandum, Reflections on the Treatment of Peoples of Alien Races in the East (dated 25 May 1940), outlined the Nazi plans for

19278-486: The war progressed, most nations developed self-propelled artillery. Some early attempts were often no more than a field gun or anti-tank gun mounted on a truck—a technique known in the British Army as carrying portee . These were mobile, but lacked protection for the crew. The next step was to mount the guns on a tracked chassis (often that of an obsolete or superseded tank) and provide an armoured superstructure to protect

19431-419: The whole rotten structure will come crashing down. Hitler received the final military plans for the invasion on 5 December 1940, which the German High Command had been working on since July 1940, under the codename "Operation Otto." Upon reviewing the plans, Hitler formally committed Germany to the invasion when he issued Führer Directive 21 on 18 December 1940, where he outlined the precise manner in which

19584-440: Was again postponed in late October, and later canceled. A new attack, code-named Feuerzauber (Fire Magic), was planned in which the battery was to participate, but it too was canceled after the Soviet encirclement of the German forces attacking Stalingrad . OKH finally recalled the battery on 4 December 1942 when it was clear that it had no mission. OKH issued orders to create a Heavy Artillery Battalion (Karl) on 4 May 1943 using

19737-405: Was based on Ultra information obtained from broken Enigma traffic. But Stalin's distrust of the British led him to ignore their warnings in the belief that they were a trick designed to bring the Soviet Union into the war on their side. Soviet intelligence also received word of an invasion around 20 June from Mao Zedong whose spy, Yan Baohang, had overheard talk of the plans at a dinner with

19890-466: Was changed by 14 May 1941 when the other battery was ordered to attack the Soviet border fortifications near Lviv . The first battery was assigned to IV Army Corps of 17th Army of Army Group South near Lviv while the second battery was ordered to support the attack by the 4th Army of Army Group Center against the Brest Fortress . The batteries were issued 60 and 36 rounds respectively. Little

20043-544: Was created when Hauptmann Alfred Becker , a mechanical engineer and battery captain in the 227th Infantry Division , mounted his 10.5 cm leFH 16 howitzers on the chassis of captured British Vickers Mk.VI light tanks to mobilize his guns. His 10.5 cm leFH 16 Geschützwagen Mk VI 736 (e) was the forerunner to German tracked field guns such as the Wespe and Hummel . The Germans also mobilized their anti-tank guns, using light, obsolete or captured tracked vehicles. Examples include

20196-434: Was detached from railcars' supporting arms and driven to its intended firing location. The chassis of the ordnance was then lowered to the ground by "raising" the continuous track units' roadwheels by rotating their torsion-bar-sprung suspension arms to drop the chassis close to the ground to distribute the recoil forces more evenly in preparation for firing - the roadwheels for each trackset were also similarly "raised" to allow

20349-595: Was done by 15 August as schwere Batterie 628 (Karl) with two weapons, although sufficient personnel to man three guns was to be furnished by Heavy Artillery Battalion 833 . On 22 July the Army High Command ( Oberkommando des Heeres (OKH)) issued an order to send the battery to Army Group North to support its planned offensive, Operation George (Unternehmen Georg) , against Leningrad . The order for Georg , dated 22 August, specified Battery 628 with three guns, presumably with two operational guns and one in reserve

20502-457: Was employed throughout the Napoleonic Wars and remained in use throughout the entire 19th century and into the first half of the 20th century, when advances in weapons technology finally made it obsolete. Zamburak was a specialized form of self-propelled artillery from the early modern period . It featured small swivel guns to be mounted and fired from the back of camels. It was used by

20655-585: Was executed or imprisoned. Many of their replacements, appointed by Stalin for political reasons, lacked military competence. Of the five Marshals of the Soviet Union appointed in 1935, only Kliment Voroshilov and Semyon Budyonny survived Stalin's purge. Tukhachevsky was killed in 1937. Fifteen of 16 army commanders, 50 of the 57 corps commanders, 154 of the 186 divisional commanders, and 401 of 456 colonels were killed, and many other officers were dismissed. In total, about 30,000 Red Army personnel were executed. Stalin further underscored his control by reasserting

20808-431: Was expanded into Heavy Artillery Battalion (schwere Artillerie Bataillon) 833 . The original Batterie 833 was redesignated as the first battery of the new battalion and a new second battery was formed, each battery having two howitzers, with orders to be combat ready by 1 May 1941 in preparation for Operation Barbarossa . Initially a single battery was to be deployed against the Soviet fortress at Brest-Litovsk , but that

20961-500: Was formed two days later by the Kommando für Sonder-Geräte , but it did not arrive at the Warsaw West railway station until 12:57 on 7 September 1944. A third Karl-Gerät 040 was shipped to Warsaw on 10 September and incorporated into Battery 428 . "Ziu" needed repairs and was shipped on 22 September back to Jüterbog . At some point a fourth Karl-Gerät was shipped to Warsaw as it was reported as operational on 25 September. A meeting

21114-633: Was held on 29 September by the OKH General der Artillerie to discuss the overall status of the Karl-Gerät , its supporting equipment and ammunition: Three days later Battery 638 was ordered to transfer to Budapest and was loaded without any Karl-Gerät . Nr. V was rerouted to Budapest to equip the battery. Battery 428 followed on 10–11 October 1944. Both batteries were ordered back to Warsaw on 19 October, although they didn't arrive until 28 October. On 6 November Battery 638 transferred one Karl-Gerät 040 to 428 and returned to Jüterbog on 10 November to rearm with

21267-483: Was left in the basement. In the mid-1960s during removal of ruins of the restaurant the shell was found. It was moved to the Polish Army Museum in Warsaw. On 30 August 1944, another dud shell from mortar "Ziu" was found in the basement of Prudential House located at Napoleon Square 9 (Plac Napoleona 9, now Plac Powstańców Warszawy). This shell was also disarmed by sappers of Polish Home Army. After World War II

21420-498: Was little danger of a large-scale retreat of the Red Army into the Russian interior, as it could not afford to give up the Baltic countries, Ukraine, or the Moscow and Leningrad regions, all of which were vital to the Red Army for supply reasons and would thus, have to be defended. Hitler and his generals disagreed on where Germany should focus its energy. Hitler, in many discussions with his generals, repeated his order of "Leningrad first,

21573-447: Was mainly used for aiming (the mount had only 4 degrees of traverse on each side), as the engines provided a top speed of only 10 km/h (6.2 mph). For longer distances the Karl-Gerät was disassembled using a special 35-tonne (34-long-ton; 39-short-ton) mobile crane into seven loads. The chassis was loaded onto a six-axle Culemeyer-Strassenroller lowboy trailer. The other parts of the gun were lighter and used four-axle trailers. If

21726-626: Was ordered home that day by Army Group Center where the battalion was ordered to reform with eight 21 cm (8.3 in) Mörser 18 howitzers on 6 August 1941. In preparation for the attack on Sevastopol scheduled for the early summer Heavy Artillery Battalion 833 was ordered to form a Karl-Batterie with three weapons on 18 February 1942, two of which were "Thor" and "Odin". Camouflaged firing positions 15 metres (49 ft) long, 10 metres (30 ft) wide and 3 metres (10 ft) deep had to be dug for each howitzer to minimize Soviet counter-fire before they could move into position. On 20 May 1942

21879-484: Was returning to Jüterbog with engine damage. Gerät Nr. III had been virtually destroyed and only the gun breech was salvageable. Gerät Nr. VII needed parts and wasn't going to be made operational anytime soon. Battery 628 was ordered disbanded on 11 April and its personnel incorporated into Battery 428 , although it's unlikely that either unit actually saw action except in local defense. In 1945, Nr. II ("Eva") as well as Nr. V ("Loki") were captured by US forces in

22032-467: Was tentatively set for May 1941, but it was delayed for over a month to allow for further preparations and possibly better weather. the purpose of the Russian campaign [is] the decimation of the Slavic population by thirty million. According to a 1978 essay by German historian Andreas Hillgruber , the invasion plans drawn up by the German military elite were substantially coloured by hubris, stemming from

22185-399: Was the invasion of the Soviet Union by Nazi Germany and many of its Axis allies , starting on Sunday, 22 June 1941, during World War II . It was the largest and costliest land offensive in human history, with around 10 million combatants taking part, and over 8 million casualties by the end of the operation. The operation, code-named after Frederick I "Barbarossa" ("red beard"),

22338-759: Was the real target. These simulated preparations in Norway and the English Channel coast included activities such as ship concentrations, reconnaissance flights and training exercises. The reasons for the postponement of Barbarossa from the initially planned date of 15 May to the actual invasion date of 22 June 1941 (a 38-day delay) are debated. The reason most commonly cited is the unforeseen contingency of invading Yugoslavia and Greece on 6 April 1941 until June 1941. Historian Thomas B. Buell indicates that Finland and Romania, which weren't involved in initial German planning, needed additional time to prepare to participate in

22491-424: Was to create more Lebensraum (living space) for Germany, and the eventual extermination of the native Slavic peoples by mass deportation to Siberia , Germanisation , enslavement, and genocide . In the two years leading up to the invasion, Nazi Germany and the Soviet Union signed political and economic pacts for strategic purposes. Following the Soviet occupation of Bessarabia and Northern Bukovina ,

22644-758: Was to follow the Drang nach Osten ('turn to the East') as it did "600 years ago" (see Ostsiedlung ). Accordingly, it was a partially secret but well-documented Nazi policy to kill, deport, or enslave the majority of Russian and other Slavic populations and repopulate the land west of the Urals with Germanic peoples, under Generalplan Ost (General Plan for the East). The Nazis' belief in their ethnic superiority pervades official records and pseudoscientific articles in German periodicals, on topics such as "how to deal with alien populations." While older histories tended to emphasize

22797-480: Was to operate in far northern Scandinavia and bordering Soviet territories . Army Group North was to march through Latvia and Estonia into northern Russia, then either take or destroy the city of Leningrad , and link up with Finnish forces. Army Group Centre, the army group equipped with the most armour and air power, was to strike from Poland into Belorussia and the west-central regions of Russia proper, and advance to Smolensk and then Moscow. Army Group South

22950-448: Was to participate. Army Group North reported the battery's arrival on 1 and 2 September 1942, but the Soviets preempted Georg with heavy attacks against the German forces besieging Leningrad so the Karl-Geräte didn't get into action. On 18 October OKH ordered the 11th Army to transfer the battery as soon as possible to Leipzig , but the 11th Army asked to retain it to use in a new version of Georg to begin later that month. Georg

23103-489: Was to strike the heavily populated and agricultural heartland of Ukraine, taking Kiev before continuing eastward over the steppes of southern USSR to the Volga with the aim of controlling the oil-rich Caucasus . Army Group South was deployed in two sections separated by a 198-mile (319 km) gap. The northern section, which contained the army group's only panzer group, was in southern Poland right next to Army Group Centre, and

23256-460: Was useful for fighting nearby infantry, as a mortar is shorter-ranged and cheaper to shoot than the large main gun, as well as being better suited to wounding enemy infantry taking cover behind objects. However, since the mortar is only a secondary weapon in this case, the Merkava is not considered a mortar carrier. Self-propelled artillery remains important in the equipment of many modern armies. It saw

23409-421: Was warned by many high-ranking military officers, such as Friedrich Paulus , that occupying Western Russia would create "more of a drain than a relief for Germany's economic situation," he anticipated compensatory benefits such as the demobilisation of entire divisions to relieve the acute labour shortage in German industry, the exploitation of Ukraine as a reliable and immense source of agricultural products,

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