Know more about SR-71 Blackbird, a warplane faster than a missile
World | Jul 17, 2014, 09:11 AM ISTNew Delhi: The SR-71 was developed as a long-range strategic reconnaissance aircraft capable of flying at speeds over Mach 3.2 and at 85,000 feet.Unofficially, the SR-71 carried many nicknames, including the “Habu,” “SR,” “Lady in