资讯

National Security Journal on MSN9 天
Inside the SR-71 Blackbird: Corrosion, Cadmium, and High-Speed Flight
The SR-71 Blackbird, the fastest plane ever built, faced numerous hidden challenges during its career. Engineers discovered that summer-welded titanium parts were corroded due to chlorine in the water ...
Smithsonian Magazine5 年
Why the SR-71 Blackbird is the Epitome of Cold War Spycraft
“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 ...
Smithsonian Magazine4 年
The SR-71 Was Close to Perfect
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 ...
The National Interest21 天
The SR-71 Blackbird Was Built to Outrun Soviet Air Defenses
The SR-71 “Blackbird” broke the world’s record for sustained altitude in horizontal flight in 1976 when it flew at Mach 3.3 (times the speed of sound). As of 2025, no fighter or proposed ...
Business Insider7 年
Here's what we know about Lockheed Martin's mysterious SR-72
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 ...
Business Insider7 年
Watch footage of the SR-71 Blackbird
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 ...