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4735th Air Defense Group
The 4735th Air Defense Group is a discontinued United States Air Force organization. It was assigned to the Boston Air Defense Sector at Otis Air Force Base, Massachusetts, where it was last active in 1959. The 4735th was formed in 1957 to provide a single command and support organization for the two fighter interceptor squadrons of Air Defense Command (ADC) at Otis when the 33rd Fighter Wing inactivated and the 551st Airborne Early Warning and Control Wing became the host at Otis. One of its squadrons was the first ADC unit to fly the McDonnell F-101 Voodoo. The group was discontinued after the 58th Fighter-Interceptor Squadron moved in 1959, leaving only a single fighter squadron at Otis. History The 4735th Air Defense Group was organized in August 1957 at Otis Air Force Base, Massachusetts.Cornett & Johnson, p. 89 At Otis, the group replaced the 33d Fighter Group (Air Defense) as the headquarters for the 33d's operational squadrons when the 33rd Fighter Wing (Air D ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
F-101B Voodoo
The McDonnell F-101 Voodoo is a supersonic jet fighter which served the United States Air Force (USAF) and the Royal Canadian Air Force (RCAF). Initially designed by McDonnell Aircraft Corporation as a long-range bomber escort (known as a ''penetration fighter'') for the USAF's Strategic Air Command (SAC), the Voodoo was instead developed as a nuclear-armed fighter-bomber for the USAF's Tactical Air Command (TAC), and as a photo reconnaissance aircraft based on the same airframe. An F-101A set a number of world speed records for jet-powered aircraft, including fastest airspeed, attaining per hour on 12 December 1957. They operated in the reconnaissance role until 1979. Delays in the 1954 interceptor project led to demands for an interim interceptor aircraft design, a role that was eventually won by the B model of the Voodoo. This required extensive modifications to add a large radar to the nose of the aircraft, a second crew member to operate it, and a new weapons bay using ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
AIM-4 Falcon
The Hughes AIM-4 Falcon was the first operational guided air-to-air missile of the United States Air Force. Development began in 1946; the weapon was first tested in 1949. The missile entered service with the USAF in 1956. Produced in both heat-seeking and radar-guided versions, the missile served during the Vietnam War with USAF McDonnell Douglas F-4 Phantom II units. Designed to shoot down slow bombers with limited maneuverability, it was ineffective against maneuverable fighters over Vietnam. Lacking proximity fusing, the missile would only detonate if a direct hit was scored. Only five kills were recorded. With the AIM-4's poor kill record rendering the F-4 ineffective at air-to-air combat, the fighters were modified to carry the USN-designed AIM-9 Sidewinder missile instead, which was already carried on USN and USMC F-4 Phantom II and F-8 Crusader jet fighters. The Sidewinder was much more effective and improved versions continue to serve the armed forces of the United Stat ... [...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 ... [...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 in Ea ... [...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 {{Infobox military conflict , conflict = Korean War , partof = the Cold War and the Korean conflict , image = Korean War Montage 2.png , image_size = 300px , caption = Clockwise from top: ..., replacing the F-82G Twin Mustang used by 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 ... [...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. ... [...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 the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fighter Aircraft
Fighter aircraft are fixed-wing aircraft, fixed-wing military aircraft designed primarily for air-to-air combat. In military conflict, the role of fighter aircraft is to establish air supremacy, air superiority of the battlespace. Domination of the airspace above a battlefield permits bombers and attack aircraft to engage in tactical bombing, tactical and strategic bombing of enemy targets. The key performance features of a fighter include not only its firepower but also its high speed and maneuverability relative to the target aircraft. The success or failure of a combatant's efforts to gain air superiority hinges on several factors including the skill of its pilots, the tactical soundness of its doctrine for deploying its fighters, and the numbers and performance of those fighters. Many modern fighter aircraft also have secondary capabilities such as ground-attack aircraft, ground attack and some types, such as fighter-bombers, are designed from the outset for dual roles. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Walker Air Force Base
Walker Air Force Base is a closed United States Air Force base located three miles (5 km) south of the central business district of Roswell, New Mexico. It was opened in 1941 as an Army Air Corps flying school and was active during World War II and the postwar era as Roswell Army Air Field. During the early years of the Cold War, it became the largest base of the Strategic Air Command. It is also known for the Roswell UFO incident, an event that occurred on 4 July 1947. It is alleged that a "flying disc" crashed during a severe thunderstorm near the base at Corona, New Mexico. Walker AFB was named after General Kenneth Newton Walker, a native of Los Cerrillos, New Mexico who was killed during a bombing mission over Rabaul, New Britain, Papua New Guinea on 5 January 1943. His group scored direct hits on nine Japanese ships before being intercepted by enemy fighters. Walker was last seen leaving the target area with one engine on fire and several fighters on his tail, a ... [...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 aircr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Semi-Automatic Ground Environment
The Semi-Automatic Ground Environment (SAGE) was a system of large computers and associated networking equipment that coordinated data from many radar sites and processed it to produce a single unified image of the airspace over a wide area. SAGE directed and controlled the NORAD response to a possible Soviet air attack, operating in this role from the late 1950s into the 1980s. Its enormous computers and huge displays remain a part of cold war lore, and after decommissioning were common props in movies such as '' Dr. Strangelove'' and ''Colossus'', and on science fiction TV series such as '' The Time Tunnel''. The processing power behind SAGE was supplied by the largest discrete component-based computer ever built, the IBM-manufactured AN/FSQ-7. Each SAGE Direction Center (DC) housed an FSQ-7 which occupied an entire floor, approximately not including supporting equipment. The FSQ-7 was actually two computers, "A" side and "B" side. Computer processing was switched from "A ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
