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Pye Wacket
Pye Wacket was the codename for an experimental lenticular-form air-to-air missile developed by the Pomona's Convair Division of the General Dynamics Corporation 〔http://www.dtic.mil/dtic/tr/fulltext/u2/325216.pdf (a document from ARMED SERVICES TECHNICAL INFORMATION AGENCY)〕 in 1957. Intended as a defensive missile for the B-70 Valkyrie Mach 3 bomber, the program saw extensive wind-tunnel testing and seemed promising; however the cancellation of the B-70 removed the requirement for the missile, and the project was cancelled.
== Genesis ==
Project "Pye Wacket", officially known as the Lenticular Defense Missile (LDM) Program and by the project number WS-740A,〔 was instituted in 1958 in response to a US Air Force request for a Defensive Anti-Missile System (DAMS) to protect the proposed B-70 Valkyrie strategic bomber from high-speed, high-altitude surface-to-air missiles (SAMs) and interceptor aircraft.〔Parsch 2005〕
The extreme speed and operating altitude of the Valkyrie was considered sufficient protection against Soviet interceptors of the time.〔Rees 1960, p.125.〕 However it was anticipated that future aircraft and missile developments would reduce the B-70's margin of superiority,〔 especially following the SA-2 Guideline SAM being displayed during the 1957 May Day parade.〔Hannah 2001, p.68.〕 Intelligence reports indicated that SAMs were being deployed in large numbers throughout Russia,〔Crabtree 1994, p.107.〕 and it was believed the SA-2 was capable of being fitted with a nuclear warhead.〔Cochran et al. 1989, p.32.〕 Therefore, it was decided that the B-70 would need an interceptor missile to defend itself against the perceived threat.〔
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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