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IPFS News Link • Space Travel and Exploration

Air Force Plans Test Flights Of Mach 20+ Hypersonic Vehicle

A joint U.S. Air Force and DARPA project is moving speedily along— intended to fly to Mach 20, plus some. A Falcon Hypersonic Test Vehicle-1 (HTV-1) is now on the books for a less than one-hour flight in September 2007.