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Minotaur-C
Minotaur-C (''Minotaur Commercial''), formerly known as Taurus, is a four stage, solid fuel launch vehicle built in the United States by Orbital Sciences Corporation (now Orbital ATK). It is based on the air-launched Pegasus rocket from the same manufacturer. The Minotaur-C is able to carry a payload of around 1,350 kg into a low Earth orbit. First launched in 1994, it has successfully completed six out of a total of nine military and commercial missions. Three of four launches between 2001 and 2011 ended in failure, including the February 24, 2009 launch of the Orbiting Carbon Observatory mission〔 and the March 4, 2011 launch of the Glory mission.〔(【引用サイトリンク】title=Glory )〕 The failure of the two latest launches resulted in losses totalling $700 million for NASA (not including cost of the rockets themselves). The rocket was subsequently rebranded as the Minotaur-C, which incorporates new avionics based on those used by the Minotaur series of rockets.〔〔
== Stages ==
The Minotaur-C's first stage, an Orbital ATK Castor 120, is based on a Peacekeeper ICBM first stage. Stages 2 and 3 are Orion-50s (like the Pegasus-1 but without wings or stabilisers), and stage 4 is an Orion-38, derived from the Pegasus-3.〔
(【引用サイトリンク】title=Taurus )
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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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