Lockheed D-21 Drone - Fotografie a video

Lockheed D-21 Drone
Země	SPOJENÉ STÁTY
Roli	Výškový a vysokorychlostní průzkumný dron
První let	22. prosince 1964
Postaven	38

Tá Lockheed D-21 was an American reconnaissance drone with maximum speed in excess of Mach 3.3 (2,215 mph; 3,564 km/h). The D-21 was initially designed to be launched from the back of a M-21 carrier aircraft, a variant of the Lockheed A-12 aircraft. Development began in October 1962. Originally known by the Lockheed designation Q-12, the drone was intended for reconnaissance deep in enemy airspace. The D-21 was designed to carry a single high-resolution photographic camera over a preprogrammed path, then release the camera module into the air for retrieval, after which the drone would self-destruct. Following a fatal accident when launched from an M-21, the D-21 was modified to be launched from a Boeing B-52 Stratofortress. Several test flights were made, followed by four unsuccessful operational D-21 flights over the People’s Republic of China, and the program was canceled in 1971.

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Tá Dron Lockheed D-21 was a supersonic reconnaissance aircraft that was designed to fly over enemy territory and collect intelligence data. The drone was launched from a modified A-12 or B-52 aircraft and could reach speeds of up to Mach 3.3. The drone carried a camera that would eject its film in a capsule over the ocean, where it would be recovered by a C-130 aircraft. The D-21 program was initiated in the early 1960s as a response to the U-2 incident, where a spy plane was shot down over the Soviet Union. The program was cancelled in 1971 after four operational missions, none of which were successful. The D-21 Drone was one of the most advanced and secretive projects of its time, but also one of the most costly and risky.