Military Hardware: Tanks, Bombers, Submarines and More
The Lockheed D-21 was a Mach 3.3 reconnaissance drone. Lockheed’s Skunk Works built it in the early 1960s. Its mission: photograph China’s Lop Nor...
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All posts tagged "D-21"
Military Hardware: Tanks, Bombers, Submarines and More
The D-21B was the SR-71 Blackbird’s little brother—a Mach 3 spy drone built by Lockheed’s legendary Skunk Works division to fly reconnaissance missions over...
Military Hardware: Tanks, Bombers, Submarines and More
Key Points and Summary on the D-21 Drone – The Lockheed D-21 was a Mach 3.3, high-altitude reconnaissance drone developed by Skunk Works in...