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Bold Orion
The Bold Orion missile, also known as Weapons System 199B (WS-199B), was a prototype air-launched ballistic missile (ALBM) developed by Martin Aircraft during the 1950s. Developed in both one- and two-stage designs, the missile was moderately successful in testing, and helped pave the way for development of the GAM-87 Skybolt ALBM. In addition, the Bold Orion was used in early anti-satellite weapons testing, performing the first interception of a satellite by a missile.
==Design and development==
The Bold Orion missile was developed as part of Weapons System 199, initiated by the United States Air Force (USAF) in response to the U.S. Navy's Polaris program,〔Ball 1980, p.226.〕 with funding authorised by the United States Congress in 1957.〔Yengst 2010, p.37.〕 The purpose of WS-199 was the development of technology that would be used in new strategic weapons for the USAF's Strategic Air Command, not to deliver operational weapons; a primary emphasis was on proving the feasibility of an air-launched ballistic missile.〔〔Parsch 2005〕〔Stares 1985, p.109.〕
The designation WS-199B was assigned to the project that, under a contract awarded in 1958 to Martin Aircraft, would become the Bold Orion missile.〔 The design of Bold Orion was simple, utilizing parts developed for other missile systems to reduce the cost and development time of the project.〔 The initial Bold Orion configuration was a single-stage vehicle, utilising a Thiokol TX-20 Sergeant solid-fuel rocket.〔〔Ordway and Wakeford 1960, p.30.〕 Following initial testing, the Bold Orion configuration was altered to become a two-stage vehicle, an Allegany Ballistics Laboratory Altair upper stage being added to the missile.〔〔Smith 1981, p.178.〕
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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