Minotaur IV

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Q907608




Minotaur IV, also known as Peacekeeper SLV and OSP-2 PK is an active expendable launch system derived from the retired LGM-118 Peacekeeper ICBM. It is operated by Northrop Grumman Space Systems, and made its maiden flight on 22 April 2010 carrying the HTV-2a Hypersonic Test Vehicle. The first orbital launch occurred on 26 September 2010 with the SBSS satellite for the United States Air Force.