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Havre Air Force Station
Havre Air Force Station (site designator P-25, Z-25 after 31 July 1963) is a Formerly Used Defense Site that was used as a Cold War general surveillance radar station. In addition to radar facilities and a NORAD Control Center the site had support services: NCO club, bowling alley, hobby shops, library, movie theater, barber shop, exchange, commisary, grade school, and housing for officers and senior NCOs.〔Winkler & Webster〕
==History==
In late 1951 Air Defense Command selected Simpson, Montana as a site for one of twenty-eight radar stations built as part of the second segment of the permanent radar surveillance network. Prompted by the start of the Korean War, on July 11, 1950, the Secretary of the Air Force asked the Secretary of Defense for approval to expedite construction of the second segment of the permanent network. Receiving the Defense Secretary’s approval on July 21, the Air Force directed the United States Army Corps of Engineers to proceed with construction.
On 1 March 1951 the 778th Aircraft control and Warning Squadron was activated at Simpson〔Cornett & Johnson, p. 167〕 and began operating AN/FPS-3 and AN/FPS-4 radars. Initially the station functioned as a ground control intercept (GCI) and warning station. As a GCI station, the squadron's role was to guide interceptor aircraft toward unidentified intruders picked up on the unit's radar scopes.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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