Developed during the Cold War to spy on the Soviet Union, the SR-71 Blackbird was nothing short of a revolutionary, ...

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 ...

Dane Penland / NASM, SI The two-seat cockpit of the SR-71, an aircraft designed for stealth, was a tight fit for the crew, who wore bulky spacesuits designed for their high-altitude missions.

The SR-71 was the last major aircraft designed with ... Through the side window, I spotted high-altitude condensation trails approximately 40,000 feet below us. Now we had fighter aircraft trying ...

Designed at the height of the Cold War, this high-altitude reconnaissance aircraft has outlasted spy satellites, cutting-edge drones, and even the legendary SR-71 Blackbird. But what makes it so ...

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 ...

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 ...