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4450th Tactical Group
The 4450th Tactical Group is an inactive United States Air Force unit. It was headquartered at Nellis Air Force Base, Nevada, and operationally located at Tonopah Test Range Airport, Nevada. It was inactivated on 5 October 1989.
The United States Air Force F-117A Stealth Fighter program began on 15 October 1979 with the activation of the Tactical Air Command 4450th Tactical Group (TG) at the Tonopah Test Range Airport, Nevada. The 4450th Tactical Group was a pathfinder unit, moving the F-117A from the research and development stage to becoming a fully operational weapons system.
On 10 November 1988, the Air Force officially announced the F-117A's existence to the public, and set the 4450th on the road to inactivation. On 5 October 1989, its F-117A aircraft, equipment personnel and mission were transferred to the 37th Tactical Fighter Wing was transferred from George Air Force Base, California, to carry out the F-117's sensitive worldwide mission.
==History==
In 1978, the Air Force awarded a full-scale development contract for the YF-117A Nighthawk to Lockheed Corporation's Advanced Development Projects. On 17 January 1981 the Lockheed test team at Groom Lake accepted delivery of the first full Scale Development (FSD) prototype #79-780, designated YF-117A.〔(DREAMLAND: Fifty Years of Secret Flight Testing in Nevada ) By Peter W. Merlin〕 At 6:05 a.m. on 18 June 1981, Lockheed Skunk Works test pilot Hal Farley lifted the nose of YF-117A #79-780 off the runway of Groom Lake.
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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