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Marietta Air Force Station (ADC ID: M-111, NORAD ID: Z-111) is a closed United States Air Force General Surveillance Radar station. It is located northeast of Smyrna, Georgia. It was closed in 1968. ==History== The initial site at Dobbins Air Force Base became operational in 1956 when the 908th Aircraft Control and Warning Squadron activated an AN/MPS-11 search radar, later an AN/FPS-8 and an AN/TPS-10. Circa 1958 an AN/FPS-6 was added, and 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. In 1961 the unit relocated to a separate site about a mile to the west of Dobbins AFB where the FAA had installed an ARSR-1A radar in 1959. The Air Force added two AN/FPS-6 height-finder radars at the new radar site. During 1962 Marietta AFS joined the Semi Automatic Ground Environment (SAGE) system, feeding data to DC-09 at Gunter AFB, Alabama. The radar squadron provided information 24/7 the SAGE Direction Center where it was analyzed to determine range, direction altitude speed and whether or not aircraft were friendly or hostile. After joining, the squadron was re-designated as the 908th Radar Squadron (SAGE) on 1 April 1962. The ARSR-1A was upgraded to an ARSR-1E in 1964. In addition to the main facility, Marietta operated three unmanned AN/FPS-18 Gap Filler sites: * Barnesville, GA (M-111B): * Elberton, GA (M-111E): * Aquone, NC (M-111F): * Melvin Hill, NC (M-111G): The 908th was inactivated on 8 September 1968 and Marietta Air Force Station closed by ADC at the end of the month due to budget reductions. Today, the Federal Aviation Administration (FAA) still operates the ARSR-1E radar on a small part of the site as a component of the Joint Surveillance System (JSS). Most of the former AFS has been completely obliterated and redeveloped into the Village Hill Shopping Center. 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「Marietta Air Force Station」の詳細全文を読む スポンサード リンク
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