The Westinghouse AN/GPA-35 Ground Environment (GPA-35 colloq.) was a United States Air Force surface-to-air missile weapons direction system. It was used for launch and steering during CIM-10 Bomarc tests during the Cold War. [1] The command guidance system manufactured by Westinghouse Electric Corporation used Bendix AN/FPS-20 Radar data to track the missile. [2] [3] Lincoln Laboratory Division 6 had an AN/GPA-35 Study Group for integrating the AN/GPA-35 into the SAGE System. [4] Notable launches with GPA-35 guidance included: [3]
The Boeing CIM-10 Bomarc was a supersonic ramjet powered long-range surface-to-air missile (SAM) used during the Cold War for the air defense of North America. In addition to being the first operational long-range SAM and the first operational pulse doppler aviation radar, it was the only SAM deployed by the United States Air Force.
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 AN/FSQ-7 Combat Direction Central, referred to as the Q7 for short, was a computerized air defence command and control system. It was used by the United States Air Force for ground-controlled interception as part of the Semi-Automatic Ground Environment network during the Cold War.
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.
The AN/FSQ-32 SAGE Solid State Computer was a planned military computer of the United States Air Force. It was central for deployment to Super Combat Centers in nuclear bunkers and to some above-ground military installations. In 1958, Air Defense Command planned to acquire 13 Q-32 centrals for several Air Divisions/Sectors.
The Boston Air Defense Sector (BADS) is an inactive United States Air Force Air Defense Command (ADC) organization. Its last assignment was with the ADC 26th Air Division at Hancock Field, New York.
The SAGE radar stations of Air Defense Command were the military installations operated by USAF squadrons using the first automated air defense environment and networked by the SAGE System, a computer network. Most of the radar stations used the Burroughs AN/FST-2 Coordinate Data Transmitting Set (CDTS) to automate the operator environment and provide radar tracks to sector command posts at SAGE Direction Centers (DCs), e.g., the Malmstrom Z-124 radar station was co-located with DC-20. The sector/division radar stations were networked by DCs and Manual Control Centers to provide command, control, and coordination for ground-controlled interception of enemy aircraft by interceptors such as the F-106 developed to work with the SAGE System.
The Niagara Falls Air Force Missile Site was a Cold War USAF launch complex for Boeing CIM-10 Bomarc surface-to-air missiles. It was operated by the 35th Air Defense Missile Squadron. Equipped only IM-99Bs, the site had 48 Model IV "coffin" shelters, after an initial design with a secure area of ~20 acres (8.1 ha) to have 28 shelters. Launch control for the site's missiles was by central NY's "Hancock Field combined direction-combat center" (CC-01/DC-03) at Syracuse, New York. DC-03 was operational on December 1, 1958;
The Fort Heath radar station was a USAF radar site and US Army Missile Master installation of the joint-use site system (JUSS) for North American Air Defense at a former coastal defense site. The Cold War radar station had 2 USAF AN/FPS-6B height finding radars, 2 Army AN/FPS-6A height finders, an FAA ARSR-1 radar emplaced 1958-9, and an Army nuclear bunker. Arctic Towers were the pedestals for the FPS antennas and radomes, while the Air Route Surveillance Radar was on a 50-foot extension temperate tower adjacent to the Federal Aviation Administration building.
The GE AN/GPA-37 Course Directing Group was a USAF Cold War air defense command, control, and coordination system for weapons direction. During Air Defense Command's "Control Capability Improvement Program" to improve command guidance of manned aircraft, the AN/GPA-37 was "developed by the General Electric Heavy Military Electronic Equipment Department at Syracuse in conjunction with...Rome Air Development Center and the Electronics Research Laboratories of Columbia University." Used to process radar data, the system was to "track a potential enemy aircraft and direct intercepters [sic] into a position from which they can make their automatic firing runs", the system included the:
The GE AN/GPA-73 Radar Course Directing Group was an air defense command, control, and coordination system of the United States Air Force. It was developed for the Electronic Systems Division 412L Air Weapons Control System for weapons direction. The AN/GPA-73 was used to create a "Base Air Defense Ground Environment", for which Air Defense Command had recommended the system as "SAGE back-up control of BOMARC" in June 1958. When the GPA-73 was emplaced with the AN/FSA-21 Weapons Control Group computer for GCI, the system created a "miniature SAGE" military installation. The GPA-73 could also direct Project Nike surface-to-air missile fire from Nike Integrated Fire Control sites equipped with the "412 Target Designation System" in the Battery Control Van in a space allocated by February 1957 "behind the Acquition Operator [sic]". and the AN/GPA-73.
Project Wizard was a Cold War-era anti-ballistic missile system to defend against short and medium-range threats of the V-2 rocket type. It was contracted by the US Army Air Force in March 1946 with the University of Michigan's Aeronautical Research Center (MARC). A similar effort, Project Thumper, started at General Electric.
An Air Defense Direction Center (ADDC) was a type of United States command post for assessing Cold War radar tracks, assigning height requests to available height-finder radars, and for "Weapons Direction": coordinating command guidance of aircraft from more than 1 site for ground-controlled interception. As with the World War II Aircraft Warning Service CONUS defense network, a "manual air defense system" was used through the 1950s Along with 182 radar stations at "the end of 1957, ADC operated … 17 control centers", and the Ground Observation Corps was TBD on TBD. With the formation of NORAD, several types of ADDCs were planned by Air Defense Command:
The Ground-to-Air Pilotless Aircraft (GAPA) was a short-range surface-to-air missile (SAM) developed in the late 1940s by Boeing for the United States Army Air Forces, and then the United States Air Force after 1948. It was given the reference number SAM-A-1, the first Surface-to-Air Missile (SAM) in the 1947 tri-service designation system. By 1950, over 100 test rockets had been launched using a variety of configurations and power plants, with one launch in 1949 setting the altitude record for a ramjet powered vehicle at 59,000 ft (18,000 m).
BOMARC Site RW-01 is a 75-acre (30 ha) fenced-off site contaminated primarily with "weapons-grade plutonium (WGP), highly-enriched and depleted uranium." On 7 June 1960 an explosion in a CIM-10 Bomarc missile fuel tank caused the accident and subsequent contamination. The explosion occurred at Launcher Shelter 204, McGuire AFB, Ocean County, New Jersey, approximately 16.1 miles (25.9 km) south-southeast of Trenton, New Jersey. Launcher Shelter 204 was one of fifty-four located at McGuire AFB, operated by the 46th Air Defense Missile Squadron.
The Suffolk County Air Force Base Missile Annex is a Formerly Used Defense Site (NY29799F12240/C02NY0714) on Long Island that was a CIM-10 Bomarc missile complex during the Cold War, 2 mi (3.2 km) west of Suffolk County Air Force Base. Planned in 1955 for completion in February 1960 and activated as the 2nd operational BOMARC complex on 1 December 1959, the annex was part of the New York Air Defense Sector defenses. The annex included a Launch Area with 56 Mode II Launcher Shelters in 2 flights
Ground-to-Air Transmitter Facilities were surface-to-air missile radio uplink stations of the United States Air Force.
The Experimental Semi-Automatic Ground Environment (SAGE) Sector was a prototype Cold War Air Defense Sector for developing the Semi Automatic Ground Environment. The Lincoln Laboratory control center in a new building was at Lexington, Massachusetts.
Continental Air Defense Command (CONAD) was a Unified Combatant Command of the United States Department of Defense, tasked with air defense for the Continental United States. It comprised Army, Air Force, and Navy components. It included Army Project Nike missiles anti-aircraft defenses and USAF interceptors. The primary purpose of continental air defense during the CONAD period was to provide sufficient attack warning of a Soviet bomber air raid to ensure Strategic Air Command could launch a counterattack without being destroyed. CONAD controlled nuclear air defense weapons such as the 10 kiloton W-40 nuclear warhead on the CIM-10B BOMARC. The command was disestablished in 1975, and Aerospace Defense Command became the major U.S. component of North American Air Defense Command (NORAD).
The Otis Air Force Base BOMARC site was a Cold War USAF launch complex for Boeing CIM-10 Bomarc surface-to-air missiles. Equipped with IM-99Bs, the site had 28 Model IV "coffin" shelters, on 60 acres (24 ha).
On 17 May 1957 the Boeing Airplane Co., the prime contractor, received its initial contract for a plus[ sic ] $135 million to produce IM-99 Bomarcs. …Boeing subcontracted to…Westinghouse Electric for the AN/GPA-35, ground-to-air guidance system used on the Bomarc until SAGE was fully operational