110-520: The Sukhoi Su-25 Grach ( Russian : Грач ( rook ); NATO reporting name : Frogfoot ) is a subsonic , single-seat, twin-engine jet aircraft developed in the Soviet Union by Sukhoi . It was designed to provide close air support for Soviet Ground Forces . The first prototype made its maiden flight on 22 February 1975. After testing, the aircraft went into series production in 1978 in Tbilisi in
220-649: A constitutional referendum on whether to adopt Russian as a second official language. According to the Central Election Commission, 74.8% voted against, 24.9% voted for and the voter turnout was 71.1%. Starting in 2019, instruction in Russian will be gradually discontinued in private colleges and universities in Latvia, and in general instruction in Latvian public high schools. On 29 September 2022, Saeima passed in
330-510: A new education law which requires all schools to teach at least partially in Ukrainian, with provisions while allow indigenous languages and languages of national minorities to be used alongside the national language. The law faced criticism from officials in Russia and Hungary. The 2019 Law of Ukraine "On protecting the functioning of the Ukrainian language as the state language" gives priority to
440-528: A Su-25 was shot down by a MANPADS during a reconnaissance mission over the village of Tolstoy-Yurt killing its pilot. The wings of the aircraft were put on a pedestal in the central square in Grozny. Su-25 attack aircraft were used by the Ethiopian Air Force to strike Eritrean targets. On 15 May 2000, An Ethiopian Su-25 was shot down by an Eritrean Air Force MiG-29 , killing the pilot. Su-25s were used by
550-510: A USAF MQ-1 Predator drone 30 km (19 mi; 16 nmi) off the Iranian coast. The Iranian government has claimed that the drone violated its airspace. Ukrainian armed forces deployed aircraft over insurgent Eastern regions starting in spring 2014. On 26 May 2014, Ukrainian Su-25s supported Mi-24 helicopters during a military operation to regain control over the airport in Donetsk , during which
660-668: A bureau's activity is R&D or " research and development ." For security, each bureau was only officially identified by a number, but were often semi-officially referenced by the name of its lead designer. For example, OKB-51 was led by Pavel Sukhoi , and it eventually became known as the OKB of Sukhoi . Successful and famous bureaus often retained these names after the death or replacement of their founding designers. These relatively small state-run organisations were not intended for mass production of aircraft, rockets, or other vehicles or equipment which they designed. However, they usually had
770-428: A central torsion box , forming a single unit with the fuselage. The air brakes are housed in fairings at the tip of each wing. Each wing has five hardpoints for weapons carriage, with the attachment points mounted on load-bearing ribs and spars. Each wing also features a five-section leading edge slat , a two-section flap and an aileron . The flaps are mounted by steel sliders and rollers, attached to brackets on
880-653: A formula with V standing for the nucleus (vowel) and C for each consonant, the maximal structure can be described as follows: (C)(C)(C)(C)V(C)(C)(C)(C) OKB OKB ( Russian : ОКБ ) is a transliteration of the Russian initials of " опытно-конструкторское бюро " – opytno konstruktorskoye byuro , meaning 'experiment and design bureau'. During the Soviet era , OKBs were closed institutions working on design and prototyping of advanced technology , usually for military applications . The corresponding English language term for such
990-558: A hard or soft counterpart, and the distinction is a prominent feature of the language, which is usually shown in writing not by a change of the consonant but rather by changing the following vowel. Another important aspect is the reduction of unstressed vowels . Stress , which is often unpredictable, is not normally indicated orthographically , though an optional acute accent may be used to mark stress – such as to distinguish between homographic words (e.g. замо́к [ zamók , 'lock'] and за́мок [ zámok , 'castle']), or to indicate
1100-479: A language that "belongs to the European cultural space". The financing of Russian-language content by the state will cease, which the concept says create a "unified information space". However, one inevitable consequence would be the closure of public media broadcasts in Russian on LTV and Latvian Radio, as well as the closure of LSM's Russian-language service. In Lithuania , Russian has no official or legal status, but
1210-572: A lesser extent the languages to the south and the east: Uralic , Turkic , Persian , Arabic , and Hebrew . According to the Defense Language Institute in Monterey, California , Russian is classified as a level III language in terms of learning difficulty for native English speakers, requiring approximately 1,100 hours of immersion instruction to achieve intermediate fluency. Feudal divisions and conflicts created obstacles between
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#17328443326681320-511: A major role of crewed aviation being hidden during the active phase of the conflict with more than 600 airstrikes by crewed aviation from 27 September 2020 to 9 November 2020, with the Su-25 fleet, tasked with the critical role of suppression and destruction of the enemy air defense among others. Russian language Russian is an East Slavic language belonging to the Balto-Slavic branch of
1430-607: A minority language under the Framework Convention for the Protection of National Minorities . 30% of the population was fluent in Russian in 2006, and 2% used it as the main language with family, friends, or at work. In Azerbaijan , Russian has no official status, but is a lingua franca of the country. 26% of the population was fluent in Russian in 2006, and 5% used it as the main language with family, friends, or at work. In Georgia , Russian has no official status, but it
1540-738: A number of key avionics systems. It has no TV guidance but includes a distinctive nose-mounted laser rangefinder that is thought to provide for laser-based target finding. A DISS-7 doppler radar is used for navigation; the Su-25 can fly at night, in visual and instrument meteorological conditions . The Su-25 often has radios installed for air-to-ground and air-to-air communications, including an SO-69 identification-friend-or-foe ( IFF ) transponder. The aircraft's self-defence suite includes various measures, such as flare and chaff dispensers capable of launching up to 250 flares and dipole chaff. Hostile radar uses are guarded against via an SPO-15 radar warning receiver . An airtight avionics compartment
1650-516: A qualitatively new entity can be said to emerge—the general language of the working class... capitalism has the tendency of creating the general urban language of a given society. In 2010, there were 259.8 million speakers of Russian in the world: in Russia – 137.5 million, in the CIS and Baltic countries – 93.7 million, in Eastern Europe – 12.9 million, Western Europe – 7.3 million, Asia – 2.7 million, in
1760-459: A reconnaissance flight or attacking the village of Goiskoye. The pilot, Maj. Alexander Matvienko, ejected and was recovered by a friendly helicopter returning to the airbase in Khankala , Grozny. On 5 May 1996, a two-seat Su-25UB was downed with an 9K34 Strela-3 MANPADS near the village of Mairtup while on reconnaissance. Both pilots, Col. Igor Sviryidov and Maj. Oleg Isayev, were killed in the crash. It
1870-605: A unit of France's Unicorn peacekeeping forces stationed in Bouaké , killing nine soldiers, a U.S. development worker and wounding 37 soldiers. Shortly afterwards, the French military retaliated by attacking the air base in Yamoussoukro and destroyed the Ivorian air force, heavily damaging the two Su-25s responsible for the attack. In August 2008, Su-25s were used by both Georgia and Russia during
1980-527: Is Belarusian, among ethnic Belarusians this share is 28.5%; the highest share of those who speak Belarusian at home is among ethnic Poles — 46.0%. In Estonia , Russian is spoken by 29.6% of the population, according to a 2011 estimate from the World Factbook, and is officially considered a foreign language. School education in the Russian language is a very contentious point in Estonian politics, and in 2022,
2090-475: Is a co-official language per article 5 of the Constitution of Kyrgyzstan . The 2009 census states that 482,200 people speak Russian as a native language, or 8.99% of the population. Additionally, 1,854,700 residents of Kyrgyzstan aged 15 and above fluently speak Russian as a second language, or 49.6% of the population in the age group. In Tajikistan , Russian is the language of inter-ethnic communication under
2200-401: Is a high degree of mutual intelligibility between Russian, Belarusian and Ukrainian , and a moderate degree of it in all modern Slavic languages, at least at the conversational level. Russian is written using a Cyrillic alphabet. The Russian alphabet consists of 33 letters. The following table gives their forms, along with IPA values for each letter's typical sound: Older letters of
2310-593: Is a post-posed definite article -to , -ta , -te similar to that existing in Bulgarian and Macedonian. In the Southern Russian dialects , instances of unstressed /e/ and /a/ following palatalized consonants and preceding a stressed syllable are not reduced to [ɪ] (as occurs in the Moscow dialect), being instead pronounced [a] in such positions (e.g. несл и is pronounced [nʲaˈslʲi] , not [nʲɪsˈlʲi] ) – this
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#17328443326682420-666: Is behind the cockpit and in front of the forward fuel tank. The newer Su-25TM and Su-25SM models have an upgraded avionics and weapons suite, resulting in improved survivability and combat capability. The first Soviet Air Force Su-25 unit was the 80th Assault Aviation Regiment, formed in February 1981 based at Sitalcay air base in the Azerbaijan Soviet Socialist Republic . The first eleven aircraft arrived at Sitalchay in May 1981. The 200th Independent Assault Aviation Squadron
2530-485: Is being used less frequently by Russian-speaking typists in favor of the extension of Unicode character encoding , which fully incorporates the Russian alphabet. Free programs are available offering this Unicode extension, which allow users to type Russian characters, even on Western 'QWERTY' keyboards. The Russian language was first introduced to computing after the M-1 , and MESM models were produced in 1951. According to
2640-613: Is called yakanye ( яканье ). Consonants include a fricative /ɣ/ , a semivowel /w⁓u̯/ and /x⁓xv⁓xw/ , whereas the Standard and Northern dialects have the consonants /ɡ/ , /v/ , and final /l/ and /f/ , respectively. The morphology features a palatalized final /tʲ/ in 3rd person forms of verbs (this is unpalatalized in the Standard and Northern dialects). During the Proto-Slavic (Common Slavic) times all Slavs spoke one mutually intelligible language or group of dialects. There
2750-502: Is in a compartment beneath the cockpit, mounted on a load-bearing beam attached to the cockpit floor and the forward fuselage support structure. The nose is fitted with distinctive twin pitot probes and hinges up for service access. The pilot flies the aircraft by means of a centre stick and left hand throttles . The pilot sits on a Zvezda K-36 ejection seat (similar to the Sukhoi Su-27 ) and has standard flight instruments . At
2860-563: Is more spoken than English. Sizable Russian-speaking communities also exist in North America, especially in large urban centers of the US and Canada, such as New York City , Philadelphia , Boston , Los Angeles , Nashville , San Francisco , Seattle , Spokane , Toronto , Calgary , Baltimore , Miami , Portland , Chicago , Denver , and Cleveland . In a number of locations they issue their own newspapers, and live in ethnic enclaves (especially
2970-564: Is odd") – чу́дно ( chúdno – "this is marvellous"), молоде́ц ( molodéts – "well done!") – мо́лодец ( mólodets – "fine young man"), узна́ю ( uznáyu – "I shall learn it") – узнаю́ ( uznayú – "I recognize it"), отреза́ть ( otrezát – "to be cutting") – отре́зать ( otrézat – "to have cut"); to indicate the proper pronunciation of uncommon words, especially personal and family names, like афе́ра ( aféra , "scandal, affair"), гу́ру ( gúru , "guru"), Гарси́я ( García ), Оле́ша ( Olésha ), Фе́рми ( Fermi ), and to show which
3080-680: Is one of two official languages aboard the International Space Station , one of the six official languages of the United Nations , as well as the fourth most widely used language on the Internet . Russian is written using the Russian alphabet of the Cyrillic script ; it distinguishes between consonant phonemes with palatal secondary articulation and those without—the so-called "soft" and "hard" sounds. Almost every consonant has
3190-402: Is recognized as a minority language under the Framework Convention for the Protection of National Minorities . Russian is the language of 9% of the population according to the World Factbook. Ethnologue cites Russian as the country's de facto working language. In China , Russian has no official status, but it is spoken by the small Russian communities in the northeastern Heilongjiang and
3300-569: Is sometimes considered to have played a significant role in the formation of modern Russian. Also, Russian has notable lexical similarities with Bulgarian due to a common Church Slavonic influence on both languages, but because of later interaction in the 19th and 20th centuries, Bulgarian grammar differs markedly from Russian. Over the course of centuries, the vocabulary and literary style of Russian have also been influenced by Western and Central European languages such as Greek, Latin , Polish , Dutch , German, French, Italian, and English, and to
3410-576: Is spoken by 14.2% of the population according to an undated estimate from the World Factbook. In 2005, Russian was the most widely taught foreign language in Mongolia, and was compulsory in Year 7 onward as a second foreign language in 2006. Around 1.5 million Israelis spoke Russian as of 2017. The Israeli press and websites regularly publish material in Russian and there are Russian newspapers, television stations, schools, and social media outlets based in
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3520-518: Is the stressed word in a sentence, for example Ты́ съел печенье? ( Tý syel pechenye? – "Was it you who ate the cookie?") – Ты съе́л печенье? ( Ty syél pechenye? – "Did you eat the cookie?) – Ты съел пече́нье? ( Ty syel pechénye? "Was it the cookie you ate?"). Stress marks are mandatory in lexical dictionaries and books for children or Russian learners. The Russian syllable structure can be quite complex, with both initial and final consonant clusters of up to four consecutive sounds. Using
3630-461: The 2011 Lithuanian census , Russian was the native language for 7.2% of the population. In Moldova , Russian was considered to be the language of interethnic communication under a Soviet-era law. On 21 January 2021, the Constitutional Court of Moldova declared the law unconstitutional and deprived Russian of the status of the language of interethnic communication. 50% of the population
3740-966: The Apollo–Soyuz mission, which first flew in 1975. In March 2013, Russian was found to be the second-most used language on websites after English. Russian was the language of 5.9% of all websites, slightly ahead of German and far behind English (54.7%). Russian was used not only on 89.8% of .ru sites, but also on 88.7% of sites with the former Soviet Union domain .su . Websites in former Soviet Union member states also used high levels of Russian: 79.0% in Ukraine, 86.9% in Belarus, 84.0% in Kazakhstan, 79.6% in Uzbekistan, 75.9% in Kyrgyzstan and 81.8% in Tajikistan. However, Russian
3850-620: The Caucasus , Central Asia , and to a lesser extent in the Baltic states and Israel . Russian has over 258 million total speakers worldwide. It is the most spoken native language in Europe , the most spoken Slavic language , as well as the most geographically widespread language of Eurasia . It is the world's seventh-most spoken language by number of native speakers , and the world's ninth-most spoken language by total number of speakers . Russian
3960-413: The Constitution of Tajikistan and is permitted in official documentation. 28% of the population was fluent in Russian in 2006, and 7% used it as the main language with family, friends or at work. The World Factbook notes that Russian is widely used in government and business. In Turkmenistan , Russian lost its status as the official lingua franca in 1996. Among 12% of the population who grew up in
4070-536: The First Abkhazian War . A Georgian Air Force Su-25 was shot down over Nizhnaya Eshera on 4 July 1993 by an 9K34 Strela-3 MANPADS. Another Georgian Su-25 was shot down on 13 July 1993 with a 9K32 Strela-2 MANPADS , while another Su-25 was downed by friendly fire by a ZU-23-2 on 4 July. The Russian Air Force also lost an Su-25 during war, the aircraft crashed due to a pilot's mistake while providing CAS for Abkhaz forces. Russian Su-25s were employed during
4180-956: The Georgian Soviet Socialist Republic . Early variants included the Su-25UB two-seat trainer , the Su-25BM for target-towing , and the Su-25K for export customers. Some aircraft were upgraded to the Su-25SM standard in 2012. The Su-25T and the Su-25TM (also known as the Su-39) were further developments, not produced in significant numbers. The Su-25, and the Su-34 , were the only armoured, fixed-wing aircraft in production in 2007. Su-25s are in service with Russia, other CIS members, and export customers. Production of
4290-640: The Indo-European language family . It is one of the four extant East Slavic languages, and is the native language of the Russians . It was the de facto and de jure official language of the former Soviet Union . Russian has remained an official language of the Russian Federation , Belarus , Kazakhstan , Kyrgyzstan , and Tajikistan , and is still commonly used as a lingua franca in Ukraine , Moldova ,
4400-617: The Ivory Coast , Chad , and Sudan have used the Su-25 in local insurgencies and civil wars. Recently, the Su-25 has seen service in the Russian intervention in the Syrian civil war , the clashes of the 2020 Nagorno-Karabakh War , and on both sides in the Russian invasion of Ukraine . In early 1968, the Soviet Ministry of Defence decided to develop a specialised shturmovik armoured assault aircraft in order to provide close air support for
4510-742: The Macedonian Air Force but flown by Ukrainian pilots during the conflict against Albanian separatists. Beginning on 24 June 2001, the aircraft made multiple attack runs against separatist positions. The Su-25s were only used during the Battle of Raduša on the last day. Sudan has used Su-25s in attacks on rebel targets and possibly civilians in Darfur . During the Ivorian Civil War , Su-25s were used by government forces to attack rebel targets. On 6 November 2004, at least one Ivorian Sukhoi Su-25 attacked
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4620-537: The Moscow Defense Brief suggests four. The three Russian aircraft were reportedly downed by Georgian Buk-M1 air defence units. Georgian Su-25s were able to operate at night. In early August 2008, Russian Su-25s attacked the Tbilisi Aircraft Manufacturing plant, where the Su-25 is produced, dropping bombs on the factory's airfield. On 1 November 2012, two Iranian Su-25s fired cannon bursts at
4730-481: The Soviet Ground Forces . The idea of creating a ground-support aircraft came about after analysing the experience of ground-attack ( shturmovaya ) aviation during the 1940s, 1950s, and 1960s. The Soviet fighter-bombers in service or under development at the time ( Su-7 , Su-17 , MiG-21 and MiG-23 ) did not meet the requirements for close air support of the army. They lacked essential armour plating to protect
4840-575: The Ukrainian language in more than 30 spheres of public life: in particular in public administration , media, education, science, culture, advertising, services . The law does not regulate private communication. A poll conducted in March 2022 by RATING in the territory controlled by Ukraine found that 83% of the respondents believe that Ukrainian should be the only state language of Ukraine. This opinion dominates in all macro-regions, age and language groups. On
4950-625: The United States Census , in 2007 Russian was the primary language spoken in the homes of over 850,000 individuals living in the United States. Russian is one of the official languages (or has similar status and interpretation must be provided into Russian) of the following: The Russian language is also one of two official languages aboard the International Space Station – NASA astronauts who serve alongside Russian cosmonauts usually take Russian language courses. This practice goes back to
5060-522: The 1980–88 Iran–Iraq War . Most Iraqi examples were later destroyed or flown to Iran in the 1991 Persian Gulf War . The Georgian Air Force used Su-25s during the Abkhazian war from 1992 to 1993. The Macedonian Air Force used Su-25s against Albanian insurgents in the 2001 Macedonian conflict and, in 2008, Georgia and Russia both used Su-25s in the Russo-Georgian War . African states, including
5170-694: The 2008 Russia–Georgia war. Su-25s of the Georgian Air Force participated in providing air support for troops during Battle of Tskhinvali and launched bombing raids on targets in South Ossetia . Russian military Su-25s struck Georgian forces in South Ossetia, and undertook air raids on targets in Georgia. The Russian military officially confirmed the loss of three Su-25 aircraft to the Georgian air defense, though
5280-508: The 20th century, Russian was a mandatory language taught in the schools of the members of the old Warsaw Pact and in other countries that used to be satellites of the USSR. According to the Eurobarometer 2005 survey, fluency in Russian remains fairly high (20–40%) in some countries, in particular former Warsaw Pact countries. In Armenia , Russian has no official status, but it is recognized as
5390-568: The 53rd Tactical Fighter Squadron, operating from Al Kharj Air Base in Saudi Arabia , intercepted a pair of Iraqi MiG-21s and a pair of Su-25s. All four Iraqi aircraft were shot down, with both Su-25s coming down in the desert not far from the Iraqi border with Iran. This was the Iraqi Su-25s' only air combat of the war. The Georgian government used Su-25s in 1992–93 against Abkhaz separatists during
5500-412: The Belarusian society the Russian language prevails, so according to the 2019 census 6,718,557 people (71.4% of the total population) stated that they speak Russian at home, for ethnic Belarusians this share is 61.4%, for Russians — 97.2%, for Ukrainians — 89.0%, for Poles — 52.4%, and for Jews — 96.6%; 2,447,764 people (26.0% of the total population) stated that the language they usually speak at home
5610-488: The Chechen campaign between 1994 and 1996. The Russian 4th Air Army had 140 Sukhoi Su-17Ms, Su-24s and Su-25s in the war zone supported by an A-50 AWACS aircraft. The employed munitions were generally unguided S-5, S-8, and S-24 rockets, as well as FAB-250 and FAB-500 bombs, while only 2.3% of the strikes used precision-guided Kh-25 ML missiles, KAB-500L and KAB-500KR smart bombs when weather conditions were suitable. Russian forces were not able to properly take advantage of
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#17328443326685720-435: The First Chechen War. Together with other Russian Air Force air assets, they achieved air supremacy for Russian Forces. On 29 November 1994, attacking all four Chechen military bases, Russian Su-25 from the 368th Assault Aviation Regiment (OShAP) destroyed up to 266 Chechen aircraft on the ground, mostly not airworthy. The Air Force's deployed assets performed around 9,000 air sorties, with around 5,300 being strike sorties during
5830-409: The Great and developed from the Moscow ( Middle or Central Russian ) dialect substratum under the influence of some of the previous century's Russian chancery language. Prior to the Bolshevik Revolution , the spoken form of the Russian language was that of the nobility and the urban bourgeoisie. Russian peasants, the great majority of the population, continued to speak in their own dialects. However,
5940-412: The Gulf War. They were quickly pushed into combat, performing air raids as early as the beginning of August 2014 and later expanding their area of operation. Iraqi Su-25s flew the bulk of the sorties against the Islamic State, with 3562 missions between June 2014 and December 2017, by which time ISIS had lost control of all the territory it formerly controlled in Iraq. That compares to 514 sorties flown by
6050-493: The Hama province. By 15 March 2016, with the scaling down of Russian presence in Syria, Russian Su-25s had performed over 1,600 sorties in Syria while dropping 6,000 bombs. On 3 February 2018 a Russian Su-25 was shot down over Idlib by rebel fighters who used a MANPADS . A Syrian militant said that the pilot, Roman Filipov , ejected safely but killed himself with a grenade to avoid capture. On 29 September 2020, Armenian Defense Ministry claimed that an Armenian Air Force Su-25
6160-468: The Institute of Russian Language of the Russian Academy of Sciences, an optional acute accent ( знак ударения ) may, and sometimes should, be used to mark stress . For example, it is used to distinguish between otherwise identical words, especially when context does not make it obvious: замо́к ( zamók – "lock") – за́мок ( zámok – "castle"), сто́ящий ( stóyashchy – "worthwhile") – стоя́щий ( stoyáshchy – "standing"), чудно́ ( chudnó – "this
6270-411: The Iraqi Air Force's Su-25 pilots with the country's highest military decoration . During the Gulf War of 1991, the air superiority of the coalition forces was so great that the majority of Iraqi Su-25s did not even manage to get airborne. On 25 January 1991, seven Iraqi Air Force Su-25s fled from Iraq and landed in Iran. On the evening of 6 February 1991, two US Air Force F-15C Eagle fighters of
6380-443: The Iraqi fleet of F-16IQ fighters. In September 2015, it was reported that at least a dozen Su-25 were deployed by Russia to an airfield near Latakia , Syria, to support the Russian forces there who were taking part in the Syrian offensive against ISIL . On 2 October 2015, Russian Su-24M and Su-25 attack aircraft destroyed an ISIL command post in the Idlib province, while Su-34 and Su-25 aircraft eliminated an ISIL fortified bunker in
6490-411: The Middle East and North Africa – 1.3 million, Sub-Saharan Africa – 0.1 million, Latin America – 0.2 million, U.S., Canada , Australia, and New Zealand – 4.1 million speakers. Therefore, the Russian language is the seventh-largest in the world by the number of speakers , after English, Mandarin, Hindi -Urdu, Spanish, French, Arabic, and Portuguese. Russian is one of the six official languages of
6600-401: The Ministry of the Aviation Industry and the Ministry of Defence. In March 1969, a competition was announced by the Soviet Air Force that called for designs for a new battlefield close-support aircraft. Participants in the competition were the Sukhoi design bureau and the design bureaus of Yakovlev , Ilyushin and Mikoyan . Sukhoi finalised its "T-8" design in late 1968, and began work on
6710-807: The Russian alphabet include ⟨ ѣ ⟩ , which merged to ⟨ е ⟩ ( /je/ or /ʲe/ ); ⟨ і ⟩ and ⟨ ѵ ⟩ , which both merged to ⟨ и ⟩ ( /i/ ); ⟨ ѳ ⟩ , which merged to ⟨ ф ⟩ ( /f/ ); ⟨ ѫ ⟩ , which merged to ⟨ у ⟩ ( /u/ ); ⟨ ѭ ⟩ , which merged to ⟨ ю ⟩ ( /ju/ or /ʲu/ ); and ⟨ ѧ ⟩ and ⟨ ѩ ⟩ , which later were graphically reshaped into ⟨ я ⟩ and merged phonetically to /ja/ or /ʲa/ . While these older letters have been abandoned at one time or another, they may be used in this and related articles. The yers ⟨ ъ ⟩ and ⟨ ь ⟩ originally indicated
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#17328443326686820-458: The Russian principalities before and especially during Mongol rule. This strengthened dialectal differences, and for a while, prevented the emergence of a standardized national language. The formation of the unified and centralized Russian state in the 15th and 16th centuries, and the gradual re-emergence of a common political, economic, and cultural space created the need for a common standard language. The initial impulse for standardization came from
6930-405: The Soviet era can speak Russian, other generations of citizens that do not have any knowledge of Russian. Primary and secondary education by Russian is almost non-existent. In Uzbekistan , Russian is the language of inter-ethnic communication. It has some official roles, being permitted in official documentation and is the lingua franca of the country and the language of the elite. Russian
7040-471: The Su-25 ended in 2010 in Georgia. Attempts continue to be made to restart production in Georgia using partially completed airframes, but as of June 2022 no new deliveries have been reported. Since entering service more than 43 years ago, the Su-25 has seen combat in several conflicts. The type was heavily involved in the Soviet–Afghan War , flying counter-insurgency missions against the Afghan Mujahideen . The Iraqi Air Force employed it against Iran during
7150-561: The Su-25 were equipped with two R-95Sh non-afterburning turbojets , in compartments on either side of the rear fuselage. The engines, sub-assemblies and surrounding fuselage are cooled by air provided by the cold air intakes on top of the engine nacelles. A drainage system collects oil, hydraulic fluid residues and fuel from the engines after flight or after an unsuccessful start. The engine control systems allows independent operation of each engine. The latest versions (Su-25T and TM) are equipped with improved R-195 engines. The autocannon
7260-436: The Su-25s fired air to ground rockets. On 2 July 2014, one Ukrainian Su-25 crashed due to a technical fault. On 16 July 2014, an Su-25 was shot down, with Ukrainian officials stating that a Russian MiG-29 shot it down using a R-27T missile. Russia denied these allegations. On 23 July 2014, two Su-25s were shot down in the Donetsk region of Ukraine. A spokesperson for the National Security and Defense Council of Ukraine said
7370-403: The United Nations. Education in Russian is still a popular choice for both Russian as a second language (RSL) and native speakers in Russia, and in many former Soviet republics. Russian is still seen as an important language for children to learn in most of the former Soviet republics. In Belarus , Russian is a second state language alongside Belarusian per the Constitution of Belarus . 77% of
7480-438: The air supremacy due to obsolete air tactics that focused the Air Force on useless tasks in this type of war such as Combat Air Patrols. The Russian air losses were low since no integrated air defense was fielded by the Chechens. On 4 February 1995, a Russian Su-25 was shot down by ZSU-23-4 Shilka antiaircraft fire over Belgatoi Gekhi, five kilometers southeast of Grozny. The pilot, Maj. Nikolay Bairov, ejected but died impacting
7590-414: The aircraft were shot down by missiles fired from Russia. On 29 August 2014, a Ukrainian Su-25 was shot down by pro-Russian rebels. The Ukrainian authorities said the downing was due to a Russian missile without clarifying if they mean Russian made or fired by Russian forces. The pilot managed to eject safely. On the same day, pro-Russian rebels claimed the downing of up to four Su-25s. On 9 February 2015,
7700-431: The aircraft would be in service "within three to four days", despite the fact that the Iraqis require technical help and parts to make them operational, and the fact that the Russian made aircraft are incompatible with the Iraqi Air force's inventory of American made Hellfire missiles. The Islamic Revolutionary Guards Corps Air Force delivered seven Su-25s on 1 July 2014, the majority of which were ex-Iraqi aircraft from
7810-403: The broader sense of expanding the use of Russian alongside or in favour of other languages. The current standard form of Russian is generally regarded as the modern Russian literary language ( современный русский литературный язык – "sovremenny russky literaturny yazyk"). It arose at the beginning of the 18th century with the modernization reforms of the Russian state under the rule of Peter
7920-562: The country. There is an Israeli TV channel mainly broadcasting in Russian with Israel Plus . See also Russian language in Israel . Russian is also spoken as a second language by a small number of people in Afghanistan . In Vietnam , Russian has been added in the elementary curriculum along with Chinese and Japanese and were named as "first foreign languages" for Vietnamese students to learn, on equal footing with English. The Russian language
8030-430: The end of the war, carrying out the bulk of Iraqi air attack missions. During the most intense combat of the war, Iraqi Su-25s performed up to 15 sorties per day, each. In one recorded incident, an Iraqi Su-25 was shot down by an Iranian, Hawk surface-to-air missile , but the pilot managed to eject. This was the only confirmed, successful Iranian shootdown of an Iraqi Su-25. After the war, Saddam Hussein decorated all of
8140-413: The factory and the industrial plant their local peasant dialects with their phonetics, grammar, and vocabulary, and the very process of recruiting workers from peasants and the mobility of the worker population generate another process: the liquidation of peasant inheritance by way of leveling the particulars of local dialects. On the ruins of peasant multilingual, in the context of developing heavy industry,
8250-451: The final reading amendments that state that all schools and kindergartens in the country are to transition to education in Latvian . From 2025, all children will be taught in Latvian only. On 28 September 2023, Latvian deputies approved The National Security Concept, according to which from 1 January 2026, all content created by Latvian public media (including LSM ) should be only in Latvian or
8360-581: The first two prototypes (T8-1 and T8-2) in January 1972. The T8-1, the first airframe to be assembled, was completed on 9 May 1974. Another source says November 1974. However, it did not make its first flight until 22 February 1975, after a long series of test flights by Vladimir Ilyushin . The Su-25 surpassed its main competitor in the Soviet Air Force competition, the Ilyushin Il-102 , and series production
8470-672: The generation of immigrants who started arriving in the early 1960s). Only about 25% of them are ethnic Russians, however. Before the dissolution of the Soviet Union , the overwhelming majority of Russophones in Brighton Beach, Brooklyn in New York City were Russian-speaking Jews. Afterward, the influx from the countries of the former Soviet Union changed the statistics somewhat, with ethnic Russians and Ukrainians immigrating along with some more Russian Jews and Central Asians. According to
8580-480: The government bureaucracy for the lack of a reliable tool of communication in administrative, legal, and judicial affairs became an obvious practical problem. The earliest attempts at standardizing Russian were made based on the so-called Moscow official or chancery language, during the 15th to 17th centuries. Since then, the trend of language policy in Russia has been standardization in both the restricted sense of reducing dialectical barriers between ethnic Russians, and
8690-466: The ground as his parachute did not deploy on time. Another Su-25 piloted by Lt. Col. Evgeny Derkulsky was damaged by ground fire on the same day, but managed to land at Mozdok air base, where the aircraft was repaired. On 5 May 1995, another Russian Su-25 was downed near Serzhen-Yurt by 12.7 mm fire while on a low-altitude patrol. The pilot, Col. Vladimir Sarabeyev, was killed. On 4 April 1996, another Su-25 fell either to ZU-23-2 fire while either making
8800-516: The northwestern Xinjiang Uyghur Autonomous Region . Russian was also the main foreign language taught in school in China between 1949 and 1964. In Kazakhstan , Russian is not a state language, but according to article 7 of the Constitution of Kazakhstan its usage enjoys equal status to that of the Kazakh language in state and local administration. The 2009 census reported that 10,309,500 people, or 84.8% of
8910-515: The other hand, before the war, almost a quarter of Ukrainians were in favour of granting Russian the status of the state language, while after the beginning of Russia's invasion the support for the idea dropped to just 7%. In peacetime, the idea of raising the status of Russian was traditionally supported by residents of the south and east . But even in these regions, only a third of the respondents were in favour, and after Russia's full-scale invasion , their number dropped by almost half. According to
9020-455: The other three languages in the East Slavic branch. In many places in eastern and southern Ukraine and throughout Belarus, these languages are spoken interchangeably, and in certain areas traditional bilingualism resulted in language mixtures such as Surzhyk in eastern Ukraine and Trasianka in Belarus. An East Slavic Old Novgorod dialect , although it vanished during the 15th or 16th century,
9130-446: The parliament approved a bill to close up all Russian language schools and kindergartens by the school year. The transition to only Estonian language schools and kindergartens will start in the 2024-2025 school year. In Latvia , Russian is officially considered a foreign language. 55% of the population was fluent in Russian in 2006, and 26% used it as the main language with family, friends, or at work. On 18 February 2012, Latvia held
9240-453: The peasants' speech was never systematically studied, as it was generally regarded by philologists as simply a source of folklore and an object of curiosity. This was acknowledged by the noted Russian dialectologist Nikolai Karinsky , who toward the end of his life wrote: "Scholars of Russian dialects mostly studied phonetics and morphology. Some scholars and collectors compiled local dictionaries. We have almost no studies of lexical material or
9350-468: The pilot and vital equipment from ground fire and missile hits, and their high flight speeds made it difficult for the pilot to maintain visual contact with a target. Having taken into account these problems, Pavel Sukhoi and a group of leading specialists in the Sukhoi Design Bureau started preliminary design work in a comparatively short period of time, with the assistance of leading institutes of
9460-440: The pilot sits low in the cockpit, protected by the bathtub assembly, which makes for a cramped cockpit. Visibility from the cockpit is limited, being a trade-off for improved pilot protection. Rearwards visibility is poor and a periscope is fitted on top of the canopy to compensate. A folding ladder built into the left fuselage provides access to the cockpit as well as to the top of the aircraft. The base model Su-25 incorporates
9570-455: The population aged 15 and above, could read and write well in Russian, and understand the spoken language. In October 2023, Kazakhstan drafted a media law aimed at increasing the use of the Kazakh language over Russian, the law stipulates that the share of the state language on television and radio should increase from 50% to 70%, at a rate of 5% per year, starting in 2025. In Kyrgyzstan , Russian
9680-418: The population was fluent in Russian in 2006, and 67% used it as the main language with family, friends, or at work. According to the 2019 Belarusian census , out of 9,413,446 inhabitants of the country, 5,094,928 (54.1% of the total population) named Belarusian as their native language, with 61.2% of ethnic Belarusians and 54.5% of ethnic Poles declaring Belarusian as their native language. In everyday life in
9790-468: The pro-Russian forces indirectly acknowledged, for the first time, with a reference to a Ukrainian media source, their use of Su-25 against Ukrainian forces during the fighting near Debaltsevo . On 29 June 2014, it was reported that Iraq claimed to have received the first batch of second hand Su-25s ordered from Russia in order to fight the Islamic State forces. An Iraqi defense ministry source claimed
9900-560: The progress; by early 2007 only seven aircraft had been modified. The Su-25 has a conventional aerodynamic layout with a shoulder-mounted trapezoidal wing and a traditional tailplane and rudder . Several metals are used in the construction of the airframe : 60% aluminium , 19% steel , 13.5% titanium , 2% magnesium alloy and 5.5% other materials. All versions of the Su-25 have a metal cantilever wing , of moderate sweep , high aspect ratio and equipped with high-lift devices. The wing consists of two cantilever sections attached to
10010-475: The pronunciation of ultra-short or reduced /ŭ/ , /ĭ/ . Because of many technical restrictions in computing and also because of the unavailability of Cyrillic keyboards abroad, Russian is often transliterated using the Latin alphabet. For example, мороз ('frost') is transliterated moroz , and мышь ('mouse'), mysh or myš' . Once commonly used by the majority of those living outside Russia, transliteration
10120-466: The proper pronunciation of uncommon words or names. Russian is an East Slavic language of the wider Indo-European family . It is a descendant of Old East Slavic , a language used in Kievan Rus' , which was a loose conglomerate of East Slavic tribes from the late 9th to the mid-13th centuries. From the point of view of spoken language , its closest relatives are Ukrainian , Belarusian , and Rusyn ,
10230-407: The rear of the cockpit is a six-millimetre-thick (0.24 in) steel headrest, mounted on the rear bulkhead. The cockpit has a bathtub-shaped armoured enclosure of welded titanium sheets, with transit ports in the walls. Guide rails for the ejection seat are mounted on the rear wall of the cockpit. The canopy hinges open to the right and the pilot enters using the flip-down ladder. Once inside,
10340-434: The rear spar. The trapezoidal ailerons are near the wingtips . The fuselage of the Su-25 has an ellipsoidal section and is of semi- monocoque , stressed-skin construction, arranged as a longitudinal load-bearing framework of longerons , beams and stringers, with a transverse load-bearing assembly of frames. The one-piece horizontal tailplane is attached to the load-bearing frame at two mounting points. Early versions of
10450-491: The respondents), while according to the 2002 census – 142.6 million people (99.2% of the respondents). In Ukraine , Russian is a significant minority language. According to estimates from Demoskop Weekly, in 2004 there were 14,400,000 native speakers of Russian in the country, and 29 million active speakers. 65% of the population was fluent in Russian in 2006, and 38% used it as the main language with family, friends, or at work. On 5 September 2017, Ukraine's Parliament passed
10560-569: The state trials, the Soviet Ministry of Aircraft Production authorised manufacture of the Su-25 at Tbilisi, allowing series production to start in 1978. In the late 1980s and early 1990s, several Su-25 variants appeared, including modernised versions, and variants for specialised roles. The most significant designs were the Su-25UB dual-seat trainer, the Su-25BM target-towing variant, and the Su-25T for antitank missions. In addition, an Su-25KM prototype
10670-675: The survey carried out by RATING in August 2023 in the territory controlled by Ukraine and among the refugees, almost 60% of the polled usually speak Ukrainian at home, about 30% – Ukrainian and Russian, only 9% – Russian. Since March 2022, the use of Russian in everyday life has been noticeably decreasing. For 82% of respondents, Ukrainian is their mother tongue, and for 16%, Russian is their mother tongue. IDPs and refugees living abroad are more likely to use both languages for communication or speak Russian. Nevertheless, more than 70% of IDPs and refugees consider Ukrainian to be their native language. In
10780-508: The syntax of Russian dialects." After 1917, Marxist linguists had no interest in the multiplicity of peasant dialects and regarded their language as a relic of the rapidly disappearing past that was not worthy of scholarly attention. Nakhimovsky quotes the Soviet academicians A.M Ivanov and L.P Yakubinsky, writing in 1930: The language of peasants has a motley diversity inherited from feudalism. On its way to becoming proletariat peasantry brings to
10890-770: The two. Others divide the language into three groupings, Northern , Central (or Middle), and Southern , with Moscow lying in the Central region. The Northern Russian dialects and those spoken along the Volga River typically pronounce unstressed /o/ clearly, a phenomenon called okanye ( оканье ). Besides the absence of vowel reduction, some dialects have high or diphthongal /e⁓i̯ɛ/ in place of Proto-Slavic * ě and /o⁓u̯ɔ/ in stressed closed syllables (as in Ukrainian) instead of Standard Russian /e/ and /o/ , respectively. Another Northern dialectal morphological feature
11000-506: The use of the language has some presence in certain areas. A large part of the population, especially the older generations, can speak Russian as a foreign language. However, English has replaced Russian as lingua franca in Lithuania and around 80% of young people speak English as their first foreign language. In contrast to the other two Baltic states, Lithuania has a relatively small Russian-speaking minority (5.0% as of 2008). According to
11110-571: The war, nearly 50 Su-25s were deployed at Afghan airbases, carrying out a total of 60,000 sorties. Between the first deployment in 1981 and the end of the war in 1989, 21–23 aircraft were lost in combat operations, with up to nine destroyed on the ground while parked. The Su-25 also saw combat during the Iran–Iraq War of 1980–88. The first Su-25s were commissioned by the Iraqi Air Force in 1987 and performed approximately 900 combat sorties towards
11220-571: Was announced by the Ministry of Defence. During flight-testing phases of the T8-1 and T8-2 prototypes' development, the Sukhoi Design Bureau's management proposed that the series production of the Su-25 should start at Factory No. 31 in Tbilisi , Soviet Republic of Georgia , which at that time was the major manufacturing base for the MiG-21 UM "Mongol-B" trainer. After negotiations and completion of all stages of
11330-399: Was developed by Georgia in co-operation with Israeli company Elbit Systems in 2001, but so far this variant has not achieved much commercial success. As of 2007, the Su-25 was the only armoured aircraft still in production. The Russian Aerospace Forces , which operates the largest number of Su-25s, planned to upgrade older aircraft to the Su-25SM variant, but funding shortfalls had slowed
11440-405: Was first introduced in North America when Russian explorers voyaged into Alaska and claimed it for Russia during the 18th century. Although most Russian colonists left after the United States bought the land in 1867, a handful stayed and preserved the Russian language in this region to this day, although only a few elderly speakers of this unique dialect are left. In Nikolaevsk, Alaska , Russian
11550-421: Was fluent in Russian in 2006, and 19% used it as the main language with family, friends, or at work. According to the 2014 Moldovan census , Russians accounted for 4.1% of Moldova's population, 9.4% of the population declared Russian as their native language, and 14.5% said they usually spoke Russian. According to the 2010 census in Russia , Russian language skills were indicated by 138 million people (99.4% of
11660-513: Was formed on 12 July 1984, at Zhovtneve in Ukraine. It was soon also moved east to conduct operations over Afghanistan. Over the course of the Soviet–Afghan War , Su-25s launched 139 guided missiles of all types against Mujahideen positions. On average, each aircraft performed 360 sorties a year, a total considerably higher than that of any other combat aircraft in Afghanistan. By the end of
11770-507: Was shot down by a Turkish Air Force F-16 , killing the pilot. However Turkey denied the allegation. On 4 October 2020, an Azerbaijani Air force Su-25 aircraft was shot down, by Armenian forces, probably with a 9K33 Osa while targeting Armenian positions in Fuzuli. The pilot, Col. Zaur Nudiraliyev died in the crash. Azerbaijani officials acknowledged the loss in December 2020, while disclosing
11880-461: Was the fourth Su-25 shot down and fifth Russian fixed wing aircraft lost, since the start of the war in December 1994. Russian Air Force Su-25s were extensively used during the Second Chechen War in particular during the first phase when Russian forces were invading the self-proclaimed Chechen Republic of Ichkeria . Up to seven Russian Su-25s were lost, one to hostile fire: on 4 October 1999,
11990-402: Was the sixth-most used language on the top 1,000 sites, behind English, Chinese, French, German, and Japanese. Despite leveling after 1900, especially in matters of vocabulary and phonetics, a number of dialects still exist in Russia. Some linguists divide the dialects of Russian into two primary regional groupings, "Northern" and "Southern", with Moscow lying on the zone of transition between
12100-482: Was then formed within the regiment to go to Afghanistan. On 19 July 1981, the 200th Independent Attack Squadron was reassigned to Shindand Airbase in western Afghanistan , becoming the first Su-25 unit deployed to that country. Its main task was to conduct air strikes against mountain military positions and structures controlled by the Afghan rebels. Another Soviet Su-25 unit was the 368th Assault Aviation Regiment , which
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