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senior prom
Senior Prom was a classified black program conducted by the United States Air Force in conjunction with the Lockheed Corporation's Skunk Works for the development and testing of a cruise missile utilising stealth technology. Based on the company's Have Blue demonstrator, the six Senior Prom vehicles proved successful in testing conducted at Area 51 in the late 1970s; despite this, the aircraft was not selected to enter production, and the program was terminated in the early 1980s.
==Design and development==
Following the success of the test programme for the Lockheed Have Blue stealth technology demonstrator aircraft, the United States Air Force awarded a contract to the Lockheed Advanced Development Projects division—the "Skunk Works"—for the development of an unmanned aerial vehicle, intended to act as the prototype of a cruise missile, that would apply the Have Blue's faceted design in order to reduce the radar cross section of the missile by deflecting electromagnetic waves from radar transmitters away from their source, instead of directly back at the radar set's antenna.〔Parsch 2005〕
The program begin in 1977, with a reported budget of USD $24,000,000;〔Richardson 2001, p. 65.〕 the design of the aircraft was closely based on that of Have Blue, except scaled down.〔Merlin 2011, p. 108.〕 Intended for launch from Lockheed DC-130 Hercules drone launcher aircraft, the original configuration of the Senior Prom vehicle included winglets and a ventral fin; the aircraft was later modified to include a V-tail and more slender wings, closer in configuration to the F-117 Nighthawk stealth fighter.〔 Radar-absorbent material was applied to the airframe as part of its stealth configuration;〔 in addition to the faceting of the design, similar to that of Have Blue and the F-117, the "sawtooth" wing profile bore similarities to the B-2 stealth bomber's planform.〔
The Senior Prom vehicle was intended to be expendable; however, it was modified to be reusable before testing commenced, with a ballistic parachute and inflatable landing bag located under the fuselage.〔Merlin 2011, p. 109.〕 The aircraft is believed to have been fitted with folding wings to facilicate carriage by the launching aircraft, and was powered by a single turbofan engine, with the air intake and exhaust being configured in such a manner that the airframe would shield them from the ground, reducing the aircraft's radar and infrared signatures.〔
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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