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4728th Air Defense Group
The 4728th Air Defense Group is a discontinued United States Air Force organization. Its last assignment was with the New York Air Defense Sector at Dover Air Force Base. The group was formed to provide a single command and support organization for the two fighter interceptor squadrons of Air Defense Command (ADC), that were tenants at Dover, a Military Air Transport Service (MATS) base. It was also assigned a maintenance squadron to perform aircraft maintenance. It was discontinued after the 46th Fighter-Interceptor Squadron inactivated in 1958, leaving only a single fighter squadron at Griffiss. History The 4728th Air Defense Group was organized in early 1957. The group was established to provide a headquarters for Air Defense Command (ADC) Fighter-Interceptor Squadrons (FIS) stationed at Dover Air Force Base, Delaware,Cornett & Johnson, p. 89 a Military Air Transport Service base, whose 1607th Air Base Group acted as the host base organization. It was assigned the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Air Defense Command
Aerospace Defense Command was a major command (military formation), command of the United States Air Force, responsible for continental air defense. It was activated in 1968 and disbanded in 1980. Its predecessor, Air Defense Command, was established in 1946, briefly inactivated in 1950, reactivated in 1951, and then redesignated ''Aerospace'' rather than ''Air'' in 1968. Its mission was to provide air defense of the Continental United States (CONUS). It directly controlled all active measures, and was tasked to coordinate all passive means of air defense. Air defense during World War II Continental United States air defense forces during World War II were initially under the command of the four air districts – Northeast Air District, Northwest Air District, Southeast Air District, and Southwest Air District. The air districts were established on 16 January 1941, before the Pearl Harbor attack. The four air districts also handled USAAF combat training with the Army Ground F ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Northrop F-89 Scorpion
The Northrop F-89 Scorpion was an American all-weather, twin-engined interceptor aircraft built during the 1950s, the first jet-powered aircraft designed for that role from the outset to enter service. Though its straight wings limited its performance, it was among the first United States Air Force (USAF) jet fighters equipped with guided missiles and notably the first combat aircraft armed with air-to-air nuclear weapons (the unguided Genie rocket). Design and development The Scorpion stemmed from a United States Army Air Forces (USAAF) Air Technical Service Command specification ("Military Characteristics for All-Weather Fighting Aircraft") for a night fighter to replace the P-61 Black Widow. The preliminary specification, sent to aircraft manufacturers on 28 August 1945, required two engines and an armament of six guns, either machine guns or autocannon. The revised specification was issued on 23 November; it did not specify jet propulsion, but the desired maximum speed of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Military Units And Formations Established In 1957
A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. It is typically authorized and maintained by a sovereign state, with its members identifiable by their distinct military uniform. It may consist of one or more military branches such as an army, navy, air force, space force, marines, or coast guard. The main task of the military is usually defined as defence of the state and its interests against external armed threats. In broad usage, the terms ''armed forces'' and ''military'' are often treated as synonymous, although in technical usage a distinction is sometimes made in which a country's armed forces may include both its military and other paramilitary forces. There are various forms of irregular military forces, not belonging to a recognized state; though they share many attributes with regular military forces, they are less often referred to as simply ''military''. A nation's military may f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aerospace Defense Command Units
Aerospace is a term used to collectively refer to the atmosphere and outer space. Aerospace activity is very diverse, with a multitude of commercial, industrial and military applications. Aerospace engineering consists of aeronautics and astronautics. Aerospace organizations research, design, manufacture, operate, or maintain both aircraft and spacecraft. The beginning of space and the ending of the air is considered as 100 km (62 mi) above the ground according to the physical explanation that the air pressure is too low for a lifting body to generate meaningful lift force without exceeding orbital velocity. Overview In most industrial countries, the aerospace industry is a cooperation of the public and private sectors. For example, several states have a civilian space program funded by the government, such as National Aeronautics and Space Administration in the United States, European Space Agency in Europe, the Canadian Space Agency in Canada, Indian Space Research ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Four Digit Groups Of The United States Air Force
4 (four) is a number, numeral and digit. It is the natural number following 3 and preceding 5. It is the smallest semiprime and composite number, and is considered unlucky in many East Asian cultures. In mathematics Four is the smallest composite number, its proper divisors being and . Four is the sum and product of two with itself: 2 + 2 = 4 = 2 x 2, the only number b such that a + a = b = a x a, which also makes four the smallest squared prime number p^. In Knuth's up-arrow notation, , and so forth, for any number of up arrows. By consequence, four is the only square one more than a prime number, specifically three. The sum of the first four prime numbers two + three + five + seven is the only sum of four consecutive prime numbers that yields an odd prime number, seventeen, which is the fourth super-prime. Four lies between the first proper pair of twin primes, three and five, which are the first two Fermat primes, like seventeen, which is the third. On the other h ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Air Defense Groups Of The United States Air Force
The atmosphere of Earth is the layer of gases, known collectively as air, retained by Earth's gravity that surrounds the planet and forms its planetary atmosphere. The atmosphere of Earth protects life on Earth by creating pressure allowing for liquid water to exist on the Earth's surface, absorbing ultraviolet solar radiation, warming the surface through heat retention (greenhouse effect), and reducing temperature extremes between day and night (the diurnal temperature variation). By mole fraction (i.e., by number of molecules), dry air contains 78.08% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases. Air also contains a variable amount of water vapor, on average around 1% at sea level, and 0.4% over the entire atmosphere. Air composition, temperature, and atmospheric pressure vary with altitude. Within the atmosphere, air suitable for use in photosynthesis by terrestrial plants and breathing of terrestrial animals is found only i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of United States Air Force Aerospace Defense Command Interceptor Squadrons
The second iteration of Aerospace Defense Command (ADC) was established on 21 March 1946 as a component of the United States Army Air Forces, with the mission of planning for and executing the air defense of the United States. Air Defense Command (as it was known until 1968), was headquartered at Mitchel Army Airfield, New York. Types The growth and development of the ADC air defense system grew steadily throughout the Cold War era. Interceptors used by Air/Aerospace Defense Command were: * Republic F-47D/N Thunderbolt * North American F-51D/H Mustang * Northrop F-61C Black WidowWith the end of World War II, large numbers of wartime pistoned-engined fighters were allocated for air defense mission. The long range P-47N/P-51H models, developed for the invasion of Japan, were especially well-suited for the air defense role and were used into the mid-1950s by Air National Guard units. Generally P-47s were based east of the Mississippi River, while P-51s were stationed to th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
F-94 Starfire Units Of The United States Air Force
The Lockheed F-94 Starfire was the first United States Air Force jet-powered day/night all-weather interceptor. It was also the first operational USAF fighter equipped with an afterburner. Introduced in February 1950, its primary user was the Air Defense Command. It also saw service in the Korean War, replacing the F-82G Twin Mustang used by Far East Air Force (United States), Far East Air Force in 1952. The aircraft had a relatively short operational life, being retired by the active-duty Air Force in November 1957 and the Air National Guard by June 1959. Squadrons United States Air Force Air National Guard References External links {{Aerospace Defense Command, state=collapsed Fighter squadrons of the United States Air Force United States Air National Guard Military units and formations of the United States Air Force by equipment ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
F-89 Scorpion Units Of The United States Air Force
The Northrop F-89 Scorpion was a subsonic second-generation jet interceptor of the United States Air Force. After a long development during the postwar era of the late 1940s, it began reaching operational units in the early 1950s. A stablemate of the North American F-86D Sabre Interceptor, the F-89 replaced the first-generation Lockheed F-94 Starfire interceptor, primarily in the Air Defense Command (ADC). It was phased out of active service in the late 1950s, being replaced by supersonic McDonnell F-101B Voodoos and Convair F-102A Delta Daggers. interceptors. Models and service life * F-89B Scorpion, First production model, 40 produced; first assigned to the 84th Fighter-Interceptor Squadron, Hamilton AFB, California in June 1951.Isham, Marty J. (2004), Northrop F-89 Scorpion: A Photo Chronicle (Schiffer Military History Book), Schiffer Publishing, Ltd., All transferred to Air National Guard by the end of 1954. * F-89C Scorpion, Second production model, 164 produced. Fir ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
AIR-2 Genie
The Douglas AIR-2 Genie (previous designation MB-1) was an unguided air-to-air rocket with a 1.5 kt W25 nuclear warhead. It was deployed by the United States Air Force (USAF 1957–1985) and Canada (Royal Canadian Air Force 1965–68, Air Command 1968–84) during the Cold War. Production ended in 1962 after over 3,000 were made, with some related training and test derivatives being produced later. Development The interception of Soviet strategic bombers was a major military preoccupation of the late 1940s and 1950s. The revelation in 1947 that the Soviet Union had produced a reverse-engineered copy of the Boeing B-29 Superfortress, the Tupolev Tu-4 (NATO reporting name "Bull"), which could reach the continental United States in a one-way attack, followed by the Soviets developing their own atomic bomb in 1949, produced considerable anxiety. The World War II-age fighter armament of machine guns and cannon were inadequate to stop attacks by massed formations of high-speed ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Air Defense
Anti-aircraft warfare, counter-air or air defence forces is the battlespace response to aerial warfare, defined by NATO as "all measures designed to nullify or reduce the effectiveness of hostile air action".AAP-6 It includes surface based, subsurface ( submarine launched), and air-based weapon systems, associated sensor systems, command and control arrangements, and passive measures (e.g. barrage balloons). It may be used to protect naval, ground, and air forces in any location. However, for most countries, the main effort has tended to be homeland defence. NATO refers to airborne air defence as counter-air and naval air defence as anti-aircraft warfare. Missile defence is an extension of air defence, as are initiatives to adapt air defence to the task of intercepting any projectile in flight. In some countries, such as Britain and Germany during the Second World War, the Soviet Union, and modern NATO and the United States, ground-based air defence and air defence aircraf ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Radar
Radar is a detection system that uses radio waves to determine the distance (''ranging''), angle, and radial velocity of objects relative to the site. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain. A radar system consists of a transmitter producing electromagnetic waves in the radio or microwaves domain, a transmitting antenna, a receiving antenna (often the same antenna is used for transmitting and receiving) and a receiver and processor to determine properties of the objects. Radio waves (pulsed or continuous) from the transmitter reflect off the objects and return to the receiver, giving information about the objects' locations and speeds. Radar was developed secretly for military use by several countries in the period before and during World War II. A key development was the cavity magnetron in the United Kingdom, which allowed the creation of relatively small systems with sub-meter resolution. Th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
