Lockheed has hinted that a potential SR-72 Darkstar prototype could be finalized by this year. W hile the legendary SR-71 ...

The successor to the SR-71, the rather blandly-named SR-72, and also a project of Lockheed Martin, aims to merge a manned hypersonic aircraft with more modern reconnaissance capabilities ...

In 2013, Lockheed Martin announced development of the successor to the SR-71 Blackbird spy plane. The SR-71 was capable of reaching speeds over three times the speed of sound, and the SR-72 is ...

In 2013, Lockheed Martin announced development of the the successor to the SR-71 Blackbird spy plane. The SR-71 was capable of reaching speeds over three times the speed of sound, and the SR-72 is ...

“Faster than a speeding bullet” may bring to mind a certain superhero from the planet Krypton, but it was literally true of the SR-71 Blackbird, the sleek, stealthy Air Force spy plane taken ...

Head-on view from slightly above the Lockheed SR-71 Blackbird, beautifully lit from the darkness of its storage building at the National Air and Space Museum, September 21, 2000. Eric Long / NASM ...

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 A triangle pointing right which indicates ...