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Aerospace Defense Command
Aerospace Defense Command was a major command of the United States Air Force, responsible for air defense of the continental United States. 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.
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 Forces and "organization and training of bomber, fighter and other units and crews for assignments overseas". The air districts were redesignated on 26 March 1941 as the First Air Force, Second Air Force, Third Air Force, and Fourth Air Force. The First and Fourth Air Forces, through their interceptor commands, managed the civilian Aircraft Warning Service on the East and West coasts, respectively.
The USAAF's Aircraft Warning Corps provided air defense warning with information centers that networked an area's "Army Radar Stations" which communicated radar tracks by telephone. The AWC information centers also integrated visual reports processed by Ground Observer Corps filter centers. AWC information centers notified air defense command posts of the "4 continental air forces" for deploying interceptor aircraft which used command guidance for ground-controlled interception. The USAAF inactivated the aircraft warning network in April 1944.
Continental Air Forces (CAF) was activated on 12 December 1944, including the four Air Forces, to bring the continental air defense task under one command. AAF Regulation 20-1, dated 15 September 1945, specified the post-war CAF mission. For aircraft warning, in 1945 CAF had recommended "research and development be undertaken on radar and allied equipment for an air defense system [for] the future threat", e.g., a "radar [with] range of 1,000 miles, [to detect] at an altitude of 200 miles, and at a speed of 1,000 miles per hour". HQ AAF responded that "until the kind of defense needed to counter future attacks could be determined, AC&W planning would have to be restricted to the use of available radar sets". CAF's January 1946 Radar Defense Report for Continental United States recommended military characteristics for a post-war Air Defense System "based upon such advanced equipment", and the HQ AAF Plans reminded "the command that radar defense planning had to be based on the available equipment."
Reorganization of Continental Air Forces began in 1945, when ground radar and interceptor plans were prepared for the transfer at CAF HQ in the expectation that 'it would become Air Defense Command.' CAF installations that were transferred to ADC included Mitchel Field (21 March 1946), Hamilton Army Airfield (21 March 1946), Myrtle Beach Army Air Field (27 March 1946), Shaw Field (1 April 1946), McChord Field (1 August 1946), Grandview Army Air Field (1 January 1952), Seymour Johnson Field (1 April 1956), and Tyndall Field (1 July 1957).
Air Defense Command was activated on 21 March 1946 with the former CAF Fourth Air Force, the inactive Tenth Air Force, and the tbd's Fourteenth Air Force. Second Air Force was reactivated and added on 6 June 1946. In December 1946 the "Development of Radar Equipment for Detecting and Countering Missiles of the German A-4 type" was planned, part of the Signal Corps' Project 414A. The Distant Early Warning Line was "first conceived—and rejected—in 1946".
A 1947 proposal for 411 radar stations and 18 control centers costing $600 million was the Project Supremacy plan for a postwar Radar Fence that was rejected by Air Defense Command since "no provision was made in it for the Alaska to Greenland net with flanks guarded by aircraft and picket ships [required] for 3 to 6 hours of warning time", and "Congress failed to act on legislation[specify] required to support the proposed system". (In the spring and summer of 1947, 3 ADC AC&W plans had gone unfunded.) By 1948 there were only 5 AC&W stations, including the Twin Lights station in NJ that opened in June and Montauk NY "Air Warning Station #3 (5 July)--cf. SAC radar stations, e.g., at Dallas & Denver Bomb Plots.
ADC became a subordinate operational command of Continental Air Command on 1 December 1948[citation needed] and on 27 June 1950, United States air defense systems began 24-hour operations two days after the start of the Korean War. By the time ADC was inactivated on 1 July 1950, ADC had deployed the Lashup Radar Network with existing radars at 43 sites. In addition, 36 Air National Guard fighter units were called to active duty for the[specify] mission.
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Aerospace Defense Command
Aerospace Defense Command was a major command of the United States Air Force, responsible for air defense of the continental United States. 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.
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 Forces and "organization and training of bomber, fighter and other units and crews for assignments overseas". The air districts were redesignated on 26 March 1941 as the First Air Force, Second Air Force, Third Air Force, and Fourth Air Force. The First and Fourth Air Forces, through their interceptor commands, managed the civilian Aircraft Warning Service on the East and West coasts, respectively.
The USAAF's Aircraft Warning Corps provided air defense warning with information centers that networked an area's "Army Radar Stations" which communicated radar tracks by telephone. The AWC information centers also integrated visual reports processed by Ground Observer Corps filter centers. AWC information centers notified air defense command posts of the "4 continental air forces" for deploying interceptor aircraft which used command guidance for ground-controlled interception. The USAAF inactivated the aircraft warning network in April 1944.
Continental Air Forces (CAF) was activated on 12 December 1944, including the four Air Forces, to bring the continental air defense task under one command. AAF Regulation 20-1, dated 15 September 1945, specified the post-war CAF mission. For aircraft warning, in 1945 CAF had recommended "research and development be undertaken on radar and allied equipment for an air defense system [for] the future threat", e.g., a "radar [with] range of 1,000 miles, [to detect] at an altitude of 200 miles, and at a speed of 1,000 miles per hour". HQ AAF responded that "until the kind of defense needed to counter future attacks could be determined, AC&W planning would have to be restricted to the use of available radar sets". CAF's January 1946 Radar Defense Report for Continental United States recommended military characteristics for a post-war Air Defense System "based upon such advanced equipment", and the HQ AAF Plans reminded "the command that radar defense planning had to be based on the available equipment."
Reorganization of Continental Air Forces began in 1945, when ground radar and interceptor plans were prepared for the transfer at CAF HQ in the expectation that 'it would become Air Defense Command.' CAF installations that were transferred to ADC included Mitchel Field (21 March 1946), Hamilton Army Airfield (21 March 1946), Myrtle Beach Army Air Field (27 March 1946), Shaw Field (1 April 1946), McChord Field (1 August 1946), Grandview Army Air Field (1 January 1952), Seymour Johnson Field (1 April 1956), and Tyndall Field (1 July 1957).
Air Defense Command was activated on 21 March 1946 with the former CAF Fourth Air Force, the inactive Tenth Air Force, and the tbd's Fourteenth Air Force. Second Air Force was reactivated and added on 6 June 1946. In December 1946 the "Development of Radar Equipment for Detecting and Countering Missiles of the German A-4 type" was planned, part of the Signal Corps' Project 414A. The Distant Early Warning Line was "first conceived—and rejected—in 1946".
A 1947 proposal for 411 radar stations and 18 control centers costing $600 million was the Project Supremacy plan for a postwar Radar Fence that was rejected by Air Defense Command since "no provision was made in it for the Alaska to Greenland net with flanks guarded by aircraft and picket ships [required] for 3 to 6 hours of warning time", and "Congress failed to act on legislation[specify] required to support the proposed system". (In the spring and summer of 1947, 3 ADC AC&W plans had gone unfunded.) By 1948 there were only 5 AC&W stations, including the Twin Lights station in NJ that opened in June and Montauk NY "Air Warning Station #3 (5 July)--cf. SAC radar stations, e.g., at Dallas & Denver Bomb Plots.
ADC became a subordinate operational command of Continental Air Command on 1 December 1948[citation needed] and on 27 June 1950, United States air defense systems began 24-hour operations two days after the start of the Korean War. By the time ADC was inactivated on 1 July 1950, ADC had deployed the Lashup Radar Network with existing radars at 43 sites. In addition, 36 Air National Guard fighter units were called to active duty for the[specify] mission.