Discussion in 'Science and Technology' started by W.G.Ewald, May 5, 2013.
Experimental aircraft speeds to more than 3,000 mph in test flight | McClatchy
Nice. The rocket booster pushed it to Mach 4.8, the SCRAMJET pushed it to Mach 5.1.
This program has come to a close.
Hypersonic X-51 programme ends in success
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