Why was YF-12 Cancelled?
Why was YF-12 Cancelled? High costs, the ongoing war in Southeast Asia, and a lower priority on air defense of the US all contributed to the cancellation. The aircraft on display -- the second one built -- was recalled from storage in 1969 for a joint USAF/NASA investigation of supersonic cruise technology.
Will the SR-72 be manned?
Massive Breakthrough: Manned & Unmanned SR-72 Hypersonic Spy Plane by 2025.
Has an SR-71 been shot down?
At sustained speeds of more than Mach 3.2, the plane was faster than the Soviet Union's fastest interceptor, the Mikoyan-Gurevich MiG-25, which also could not reach the SR-71's altitude. During its service life, no SR-71 was ever shot down.
What is the slowest plane in the world?
Slowest aircraft The MacCready Gossamer Condor is a human-powered aircraft capable of flight as slow as 8 miles per hour (13 km/h). Its successor, the MacCready Gossamer Albatross can fly as slow as 9.23 miles per hour (14.85 km/h).