Lockheed D-21 Drone - fotografije in video

Lockheed D-21 Drone
Državi	Zda
Vlogo	Visokogorski in hitri izvidniški brezpilotni letalnik
Prvi let	22. december 1964
Zgrajena	38

V 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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V Lockheed D-21 Drone je bilo nadzvočno izvidniško letalo, ki je bilo zasnovano za letenje nad sovražnikovim ozemljem in zbiranje obveščevalnih podatkov. Dron je bil izstreljen iz modificiranega letala A-12 ali B-52 in je lahko dosegel hitrost do 3,3 Macha. Dron je nosil kamero, ki bi v kapsuli izstrelila svoj film nad oceanom, kjer bi ga izvleklo letalo C-130. Program D-21 se je začel v zgodnjih 1960-ih kot odziv na incident U-2, kjer je bilo nad Sovjetsko zvezo sestreljeno vohunsko letalo. Program je bil preklican leta 1971 po štirih operativnih misijah, od katerih nobena ni bila uspešna. Dron D-21 je bil eden najnaprednejših in najbolj skrivnostnih projektov svojega časa, a tudi eden najdražjih in najbolj tveganih.