Because it flew without a pilot, the D-21 was designed to...

Because it flew without a pilot, the D-21 was designed to fly over territory where the U.S. was denied access and to take photographs of weapons facilities from altitudes as low as 1,500 feet. But the project was canceled on July 30, 1966, after a fatal accident at sea during the drone's first official launch.

Annie Jacobsen Quote About Access, Accident, Denied, Designed, Facilities: Because It Flew Without A...

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