It was well suited to the missions, as it was capable of performing sensitive ... In this case, it helped conceal the aircraft while it traveled at Mach 3. One point not noted by the CIA is ...

Built by Lockheed Martin in the 1960s, the SR-71 could reach speeds exceeding Mach 3 (above 2,200 mph ... to the SR-71 Blackbird spy plane. The SR-71 was capable of reaching speeds over three ...

NASA released video footage of the SR-71 Blackbird, the high-altitude recon aircraft capable of reaching speeds over Mach 3. More from Military & Defense NASA released video footage of the SR-71 ...

how about Mach 22.5, or 17,400 mph? That may soon be an option, thanks to a fleet of spaceplanes readying to take flight. While the latest generation of both supersonic and hypersonic aircraft ...