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Fort Heath radar station
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. The Cold War radar station had 2 USAF AN/FPS-6B height finding radars, 2 Army AN/FPS-6A height finders,〔(Air Defense Radar Stations ). Radomes.org. Retrieved on 2013-09-18.〕 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〔(Nike Sites of Boston: Fort Banks and Fort Heath B-21 HA ). Ed-thelen.org (2000-07-10). Retrieved on 2013-09-18.〕 adjacent to the Federal Aviation Administration building. For Boston Air Defense Sector operations (e.g., for radar tracks supporting the 26th ADMS BOMARC surface-to-air missile site at ), the USAF also used an Air Defense Command operations shelter () for controlling the FPS-6Bs to process height requests from the sector's "Air Defense Control and Coordination System" (DC-02). Activated at the fort in 1959 was the headquarters for the 820th Radar Squadron which, instead of being designated a "SAGE" radar squadron as with other units, was renamed an AC&W Sq in 1961. The 820th Aircraft Control and Warning Squadron inactivated in 1962 after the operation—instead of using a "P" (Permanent) or "Z" (SAGE) designation as with other NORAD/ADC sites—had used the "MM-1" designation for the ADDC planned for collocation with the Army's 3rd operational Missile Master.
==Planned Air Defense Direction Center==
The Ft Heath "Joint Manual Direction Center" was planned by January 24, 1957,〔http://news.google.com/newspapers?id=TyQtAAAAIBAJ&sjid=c6QEAAAAIBAJ&pg=1094,1427806&dq=boston+missile-master&hl=en
http://news.google.com/newspapers?id=nFNjAAAAIBAJ&sjid=Gm8NAAAAIBAJ&pg=7257,2769273&dq=boston+missile-master&hl=en〕 and the site plan was approved on October 31, 1957. NORAD/CONAD used the "MM-1" designation for the JMDC in the June 1958 historical summary. The summary estimated the AADCP and USAF ADDC would be operational in August 1960 with "Air Force operating consoles" in the Army bunker after the estimated March 1960 installation of the ARSR-1. A General Electric AN/GPA-37 Radar Course Directing Group GPA-37 was to be completed by April 1960 to allow manual USAF ADDC ground-controlled intercept operations until SAGE DC-02 was operational for the Boston Air Defense Sector (forecast August 1960). The modification to the ARSR-1A configuration (Amplitron, "antenna gear box modification", etc.) was to be complete by November 1960.
Radar station construction had begun by September 22, 1959, and by the end of 1959, Ft Heath was designated to be a Category 1a NORAD Control Center with the AN/GPA-37 to have the data processing computer for the SAGE TDDL to/from equipped interceptors. However, since Ft Heath ADDC operation would have only been used for a few months until SAGE DC-02 had ground-controlled interception capability, the AN/GPA-37 installation was never completed. For the SAGE/Missile Master test program, NORAD requested an abbreviated AN/FSG-1 "be made available…in the Boston area by 1 Ju.l.y 1959" and during Ft Heath bunker construction, 5 of 7 Glenn L. Martin pallets of FSG-1 equipment were assembled at the nearby Fort Banks for testing with the Experimental SAGE Subsector (XD-1 prototype AN/FSQ-7 at Lexington, Massachusetts) for the Second Phase NORAD SAGE/Missile Master test (September 1959) to assess the Automatic Targeting and Battery Evaluation algorithm.
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