A space force is a military branch of a nation's armed forces that conducts military operations in outer space and space warfare . The world's first space force was the Russian Space Forces , established in 1992 as an independent military service. However, it lost its independence twice, first being absorbed into the Strategic Rocket Forces from 1997–2001 and 2001–2011, then it merged with the Russian Air Force to form the Russian Aerospace Forces in 2015, where it now exists as a sub-branch. As of 2024 , there are two independent space forces: the United States Space Force and China's People's Liberation Army Aerospace Force .
50-598: An armoured corps (also mechanized corps or tank corps ) is a specialized military organization whose role is to conduct armoured warfare . The units belonging to an armoured corps include military staff, and are equipped with tanks and other armoured fighting vehicles , as well as supporting vehicles. The term may refer to two different types of organizations: The armoured, tank, or mechanized corps of various nations' armed forces during different time periods include: Armoured, tank, or mechanized corps-sized formations (typically composed of divisions and belonging to
100-580: A Combined Joint Task Force (CJTF) would be such a temporary grouping that includes elements of more than one armed service and more than one nation. Space force Countries with smaller or developing space forces may combine their air and space forces under a single military branch, such as the Russian Aerospace Forces , Spanish Air and Space Force , French Air and Space Force , or Iranian Islamic Revolutionary Guard Corps Aerospace Force , or put them in an independent defense agency, such as
150-500: A balanced, combined combat force. The formations only differ in their ability to achieve different scales of application of force to achieve different strategic, operational and tactical goals and mission objectives." It is a composite military organization that includes a mixture of integrated and operationally attached sub-units, and is usually combat-capable. Examples of formations include divisions , brigades , battalions , wings , etc. Formation may also refer to tactical formation ,
200-584: A command is a collection of units and formations under the control of a single officer, although during World War II a command was also a name given to a battlegroup in the United States Army . In general, it is an administrative and executive strategic headquarters that is responsible to the national government or the national military headquarters . It is not uncommon for a nation's services to each consist of their own command (such as Land Component, Air Component, Naval Component, and Medical Component in
250-479: A field army), include: Military organization Military organization ( AE ) or military organisation ( BE ) is the structuring of the armed forces of a state so as to offer such military capability as a national defense policy may require. Formal military organization tends to use hierarchical forms (see Modern hierarchy for terminology and approximate troop strength per hierarchical unit). In some countries, paramilitary forces are included in
300-424: A fraction of personnel in infantry units. In western militaries, a joint force is defined as a unit or formation comprising representation of combat power from two or more branches of the military. Gendarmeries , military police and security forces , including equivalents such as paramilitary forces , militia , internal troops and police tactical unit , are an internal security service common in most of
350-599: A long time, and were devised by various military thinkers throughout European history. For example, the modern Corps was first introduced in France about 1805 by Napoleon as a more flexible tactical grouping of two or more divisions during the Napoleonic Wars . OF 8: Lieutenant General OR-2: private first class Rungs may be skipped in this ladder: for example, typically NATO forces skip from battalion to brigade. Likewise, only large military powers may have organizations at
400-479: A nation's armed forces, though not considered military. Armed forces that are not a part of military or paramilitary organizations, such as insurgent forces, often emulate military organizations, or use these structures. The use of formalized ranks in a hierarchical structure came into widespread use with the Roman Army . In modern times, executive control, management and administration of military organization
450-486: A squadron of tanks augmented with infantry, or the combination of a full company of infantry with a full squadron of tanks. During World War II the Red Army used the same basic organizational structure. However, in the beginning many units were greatly underpowered and their size was actually one level below on the ladder that is usually used elsewhere; for example, a division in the early-WWII Red Army would have been about
500-675: A temporary grouping for a specific operational purpose. Aside from administrative hierarchical forms of organization that have evolved since the early 17th century in Europe, fighting forces have been grouped for specific operational purposes into mission-related organizations such as the German Kampfgruppe or the U.S. Combat Team (Army) and Task Force (Navy) during the Second World War, or the Soviet Operational manoeuvre group during
550-507: Is a civil law enforcement agency . A number of countries have no navy, for geographical reasons. In larger armed forces, the cultures between the different branches of the armed forces can be quite different. Most smaller countries have a single organization that encompasses all armed forces employed by the country in question. Armies of developing countries tend to consist primarily of infantry , while developed countries armies tend to have larger units manning expensive equipment and only
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#1732848685454600-580: Is considered its sub-unit or minor unit. It is not uncommon in the United States for unit and formation to be used synonymously. In Commonwealth practice, formation is not used for smaller organizations such as battalions, which are instead called "units", and their constituent platoons or companies are referred to as sub-units. In the Commonwealth, formations are divisions, brigades, etc. Different armed forces , and even different branches of service of
650-450: Is divided into sections (platoons) composed of 3 x "groupes de combat" of 7 soldiers, plus a group of vehicle crews and a HQ that includes 2 x snipers. Army , army group , region , and theatre are all large formations that vary significantly between armed forces in size and hierarchy position. While divisions were the traditional level at which support elements (field artillery, hospital, logistics and maintenance, etc.) were added to
700-450: Is primarily based on a number of standard groupings of vessels, including the carrier strike group and the expeditionary strike group . Additionally, naval organization continues aboard a single ship. The complement forms three or four departments (such as tactical and engineering), each of which has a number of divisions, followed by work centers. The organizational structures of air forces vary between nations: some air forces (such as
750-410: Is typically undertaken by governments through a government department within the structure of public administration , often known as a ministry of defence or department of defense . These in turn manage military branches that themselves command formations and units specialising in combat, combat support and combat-service support . The usually civilian or partly civilian executive control over
800-920: The Wehrmacht to launch long-range attacks on the Allied Forces on the Western Front during the Second World War . The designer of the A4, Wernher von Braun , had aspirations to use them as space launch vehicles. In both the United States and the Soviet Union, military space development began immediately after the Second World War concluded, with Wernher von Braun defecting to the Allies and both superpowers gathering V-2 rockets, research materials, and German scientists to jumpstart their own ballistic missile and space programs. In
850-655: The 3rd Department of the Main Missile Directorate of the Ministry of Defence , before in 1964 becoming a part of the new Soviet Strategic Rocket Forces Central Directorate of Space Assets. The Strategic Rocket Forces Central Directorate of Space Assets would be renamed the Main Directorate of Space Assets in 1970, being transferred to directly report to the Soviet Ministry of Defense in 1982, and in 1986 became
900-573: The Belgian Army ), but this does not preclude the existence of commands that are not service-based. A formation is defined by the U.S. Department of Defense as "two or more aircraft, ships, or units proceeding together under a commander". Fomin in the Great Soviet Encyclopedia emphasised its combined-arms nature: "Formations are those military organisations which are formed from different speciality Arms and Services troop units to create
950-460: The Gulf War , where they proved so critical to the U.S.-led coalition, that it is sometimes referred to as the first space war. The first discussions of creating a military space service in the United States occurred in 1958, with the idea being floated by President Reagan as well in 1982. The 2001 Space Commission argued for the creation of a Space Corps between 2007 and 2011 and a bipartisan proposal in
1000-535: The Royal New Zealand Navy , or those navies that are effectively coast guards , are commanded by a rear-admiral (two-star rank), commodore (one-star rank) or even a captain . Aircraft carriers are typically commanded by a captain. Submarines and destroyers are typically commanded by a captain or commander. Some destroyers, particularly smaller destroyers such as frigates (formerly known as destroyer escorts ) are usually commanded by officers with
1050-663: The Russian Aerospace Forces , which reestablished the Russian Space Forces as one of its three sub-branches, although it is no longer an independent entity. In 1998, the Chinese People's Liberation Army began creating its space forces under the General Armaments Department , before being reorganized and renamed as the People's Liberation Army Strategic Support Force Space Systems Department in 2015. The PLASSF
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#17328486854541100-637: The United States Air Force and the Royal Air Force ) are divided into commands, groups and squadrons; others (such as the Soviet Air Force ) have an Army-style organizational structure. The modern Royal Canadian Air Force uses Air division as the formation between wings and the entire air command. Like the RAF, Canadian wings consist of squadrons. A task force is a unit or formation created as
1150-614: The armed forces are divided into three military branches (also service, armed service, or military service ): army , navy , and air force . Many countries have a variation on the standard model of three basic military branches. Some nations also organize their cyber force , emergencies service, medical service , military logistics , space force , marines , and special forces such as commandos or airborne forces as independent armed services. A nation's border guard or coast guard may also be an independent branch of its military, although in many nations border guard or coast guard
1200-469: The flotilla level and higher is less commonly abided by, as ships operate in smaller or larger groups in various situations that may change at a moment's notice. However, there is some common terminology used throughout navies to communicate the general concept of how many vessels might be in a unit. Navies are generally organized into groups for a specific purpose, usually strategic, and these organizational groupings appear and disappear frequently based on
1250-671: The Air Force's space rivals in the Army Ballistic Missile Agency , Naval Research Laboratory , and Advanced Research Projects Agency were absorbed by NASA when it was created in 1958, leaving it as the only major military space organization within the U.S. Department of Defense. In 1954, General Bernard Schriever established the Western Development Division within Air Research and Development Command , becoming
1300-753: The Chief Directorate of Space Assets. Established in 1967, the Anti-Ballistic Missile and Anti-Space Defense Forces of the Soviet Air Defense Forces were responsible for space surveillance and defense operations. When the Soviet Union collapsed in 1991, the Russian Federation gained its space forces, with the Chief Directorate of Space Assets was reorganized into the Military Space Forces , an independent troops ( vid ) under
1350-556: The Cold War. In the British and Commonwealth armies the battlegroup became the usual grouping of companies during the Second World War and the Cold War. Within NATO, a Joint Task Force (JTF) would be such a temporary grouping that includes elements from more than one armed service, a Combined Task Force (CTF) would be such a temporary grouping that includes elements from more than one nation, and
1400-735: The Indian Defence Space Agency . Countries with nascent military space capabilities usually organize them within their air forces . The first artificial object to cross the Kármán line , the boundary between air and space, was MW 18014 , an A-4 rocket launched by the German Heer on 20 June 1944 from the Peenemünde Army Research Center . The A4, more commonly known as the V-2, was the world's first ballistic missile , used by
1450-660: The Russian Ministry of Defense, but not a military service ( vid ). The Soviet Air Defense Forces' Anti-Ballistic Missile and Anti-Space Defense Forces were reorganized into the Russian Air Defense Forces' Rocket and Space Defence Troops [ ru ] . In 1997, the Rocket and Space Defence Troops and Military Space Forces were merged into the Strategic Missile Forces; it subordinated the priorities of
1500-463: The U.S. Army Force Management Support Agency that prescribes the organization, manning, and equipage of units from divisional size and down, but also including the headquarters of Corps and Armies. It also provides information on the mission and capabilities of a unit as well as the unit's current status. A general TOE is applicable to a type of unit (for instance, infantry) rather than a specific unit (the 3rd Infantry Division). In this way, all units of
1550-702: The U.S. Congress would have created a Space Corps in 2017. Then on 20 December 2019, the United States Space Force Act, part of the National Defense Authorization Act for 2020 , was signed, creating an independent space service by renaming and reorganizing Air Force Space Command into the United States Space Force. In the Soviet Union, the early space program was led by the OKB-1 design bureau, led by Sergei Korolev . Unlike in
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1600-769: The U.S. military's first space organization, which continues to exist in the U.S. Space Force as the Space Systems Command , its research and development center. During the 1960s and 1970s, Air Force space forces were organized within Aerospace Defense Command for missile defense and space surveillance forces, Strategic Air Command for weather reconnaissance satellites, and Air Force Systems Command for satellite communications, space launch, and space development systems. In 1982, U.S. Air Force space forces were centralized in Air Force Space Command ,
1650-740: The United States, there was a fierce interservice rivalry between the U.S. Air Force and U.S. Army over which service would gain responsibility for the military space program, with the Air Force, which had started developing its space program while it was the Army Air Forces in 1945, seeing space operations as an extension of their strategic airpower mission, while the Army argued that ballistic missiles were an extension of artillery . The Navy also developed rockets as well, but primarily for Naval Research Laboratory projects, rather than seeking to actively develop an operational space capability. Ultimately,
1700-712: The United States, where the U.S. Air Force held preeminence in missile and space development, the Soviet Ground Forces , and specifically the Artillery of the Reserve of the Supreme High Command (RVGK), was responsible for missile and military space programs, with the RVGK responsible for the launch of Sputnik 1 , the world's first artificial satellite on 4 October 1957. In 1960, Soviet military space forces were reorganized into
1750-587: The armed forces as a whole, such as those that provide general support services to the military, including their dependants. Then there are the heads of specific departmental agencies responsible for the provision and management of specific skill- and knowledge-based services such as strategic advice, capability development assessment, or military science provision of research, and design and development of technologies. Within each departmental agency will be found administrative branches responsible for further agency business specialization work. In most countries,
1800-418: The armed forces, may use the same name to denote different types of organizations. An example is the "squadron". In most navies a squadron is a formation of several ships; in most air forces it is a unit; in the U.S. Army it is a battalion-sized cavalry unit; and in Commonwealth armies a squadron is a company-sized sub-unit. A table of organization and equipment (TOE or TO&E) is a document published by
1850-551: The conditions and demands placed upon a navy. This contrasts with army organization where units remain static, with the same men and equipment, over long periods of time. The five-star ranks of admiral of the fleet and fleet admiral have largely been out of regular use since the 1990s, with the exception of ceremonial or honorary appointments. Currently, all major navies ( blue-water and green-water navies) are commanded by an admiral of either four-star rank or three-star rank depending on relative size. Smaller naval forces, such as
1900-465: The first direct predecessor to the U.S. Space Force. U.S. space forces were first employed in the Vietnam War , and continued to provide satellite communications, weather, and navigation support during the 1982 Falklands War , 1983 United States invasion of Grenada , 1986 United States bombing of Libya , and 1989 United States invasion of Panama . The first major employment of space forces culminated in
1950-494: The national military organization is exercised in democracies by an elected political leader as a member of the government's cabinet , usually known as a minister of defence . In presidential systems , such as the United States , the president is the commander-in-chief , and the cabinet-level defense minister is second in command. Subordinated to that position are often secretaries for specific major operational divisions of
2000-624: The newest major command of the Air Force, which would be renamed to reflect an "evolution of its mission" into the area of outer space . The Space Command is effective since 2019 and the Air Force was renamed Air and Space Force on 24 July 2020, with its new logo unveiled on 11 September 2020. The Spanish Government announced in June 2022, that the Spanish Air Force would be renamed as the Spanish Air and Space Force . The following list outlines
2050-479: The physical arrangement or disposition of troops and weapons. Examples of formation in such usage include pakfront , panzerkeil , testudo formation , etc. A typical unit is a homogeneous military organization (either combat, combat-support or non-combat in capability) that includes service personnel predominantly from a single arm of service, or a branch of service, and its administrative and command functions are self-contained. Any unit subordinate to another unit
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2100-399: The rank of commander. Corvettes , the smallest class of warship, are commanded by officers with the rank of commander or lieutenant-commander . Auxiliary ships, including gunboats , minesweepers , patrol boats , military riverine craft , tenders and torpedo boats are usually commanded by lieutenants , sub-lieutenants or warrant officers . Usually, the smaller the vessel, the lower
2150-479: The rank of the ship's commander. For example, patrol boats are often commanded by ensigns , while frigates are rarely commanded by an officer below the rank of commander. Historically, navies were far more rigid in structure. Ships were collected in divisions , which in turn were collected in numbered squadrons , which comprised a numbered fleet . Permission for a vessel to leave one unit and join another would have to be approved on paper. The modern U.S. Navy
2200-470: The same branch (such as infantry) follow the same structural guidelines. The following table gives an overview of some of the terms used to describe army hierarchy in armed forces across the world. Whilst it is recognized that there are differences between armies of different nations, many are modeled on the British or American models, or both. However, many military units and formations go back in history for
2250-652: The size of most nations' regiments or brigades. At the top of the ladder, what other nations would call an army group, the Red Army called a front . By contrast, during the same period the German Wehrmacht army groups, particularly on the Eastern Front , such as Army Group Centre significantly exceeded the above numbers, and were more cognate with the Soviet Strategic Directions . Naval organization at
2300-669: The space troops to the missile forces, resulting in the establishment of the Russian Space Forces as independent troops in 2001. In 2011, the Russian Space Forces became the Russian Space Command , part of the Russian Aerospace Defense Forces , which merged Russia's space and air defense forces into one service. In 2015, the Russian Air Force and Russian Aerospace Defense Forces were merged to form
2350-456: The top levels and different armies and countries may also use traditional names, creating considerable confusion: for example, a British or Canadian armored regiment (battalion) is divided into squadrons (companies) and troops (platoons), whereas an American cavalry squadron (battalion) is divided into troops (companies) and platoons. In the French system (used by many African countries) the company
2400-505: The unit structure, since World War II, many brigades now have such support units, and since the 1980s, regiments also have been receiving support elements. A regiment with such support elements is called a regimental combat team in US military parlance, or a battlegroup in the UK and other forces. Canadian Army doctrine also includes the combat team which is a company of infantry augmented with tanks, or
2450-458: The world, but uncommon in countries with English common law histories where civil police are employed to enforce the law, and there are tight restrictions on how the armed forces may be used to assist. It is common, at least in the European and North American militaries, to refer to the building blocks of a military as command s , formation s , and unit s . In a military context,
2500-856: Was eventually dissolved in April 2024, with the space force element of the SSF becoming the People's Liberation Army Aerospace Force . In 2010, the French Armed Forces created the Joint Space Command, a joint organism under the authority of the Chief of the Defence Staff . In 2019, the French President Emmanuel Macron announced that the Joint Space Command would become the Space Command and
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