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Hofn Air Station (ADC/NATO ID: H-3) is a closed United States Air Force General Surveillance Radar station. It is located east of Naval Air Station Keflavik, Iceland. It was closed on 30 June 1992. ==History== Hofn Air Station was established as a North Atlantic Treaty Organization (NATO) radar station under Military Air Transport Service. The 933d Aircraft Control and Warning Squadron was activated at the facility on 1 July 1951. Initial radars at the station were an AN/FPS-3; AN/FPS-20A, and an AN/FPS-6 height finder. The Greenland, Iceland and United Kingdom air defense sector, better known as the GIUK gap, was routinely utilized by the Soviet Union's long-range heavy bombers and maritime reconnaissance platforms as a transit point towards the Atlantic Ocean. From bases located at Archangel and Murmansk, Soviet aircraft would stream down to the North Cape in Norway towards the Gap which was use as a doorway to the vast Atlantic. Most of the Soviet missions were destined to probe United States’ air defense along the North Atlantic and after 1960 in the Caribbean where Cuba, the USSR’s most important satellite state outside continental Europe, was located. Such was the perceived treat from the Soviet incursions that it became a priority for NATO to demonstrate to that the strategic Giuk passage would be monitored at all times. The mission of the station was to intercept and shadow all Soviet aircraft in transit in and from the Gap which passed through the detection range of its radars and pass the information to interceptor aircraft deployed at Keflavik Airfield. The 933d AC&W Squadron was inactivated on 30 June 1960, being replaced by the 667th Aircraft Control and Warning Squadron. Beginning in 1984, information on aircraft detected by the station was relayed to the Keflavik NAS Radar Operations Control Center (ROCC), operated by the 932d Air Control Squadron. In the 1980s, the radar as the station was upgraded to an AN/FPS-117v5. Hofn Air Station was inactivated on 30 June 1992. The radar was replaced by a civilian ARSR radar and is now used for air traffic control. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Hofn Air Station」の詳細全文を読む スポンサード リンク
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