Lockheed D-21
The 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.
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Lockheed D-21
The 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.
has abstract
D-21 は、ロッキード製の偵察用無人航空機。1962年10 ...... 収のためにカメラモジュールを洋上で投下することになっていた。
@ja
D-21無人偵察機（Lockheed D-21）是美國空軍所使用的一款三倍音速長程戰略偵察機，取代原先的A-12偵察機。一共生产38架，飞行用掉21架。
@zh
Die D-21 war ein überschallsch ...... anischen Herstellers Lockheed.
@de
El Lockheed D-21 era un vehícu ...... l océano donde sería recogida.
@es
Il Lockheed D-21 fu un aeromob ...... mma venne interrotto nel 1971.
@it
Le Lockheed D-21 est un drone ...... tteindre la vitesse de Mach 3.
@fr
Lockheed D-21 – amerykański, s ...... B-52 Stratofortress wersji H.
@pl
Lockheed D-21 — североамерикан ...... ВВС на авиабазе Дэвис-Монтен.
@ru
The Lockheed D-21 was an Ameri ...... program was canceled in 1971.
@en
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742,535,913
first flight
1964-12-22
introduced
lists
* List of military aircraft of the United States
* List of Lockheed aircraft
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related
* Lockheed A-12
* Lockheed YF-12
* Lockheed SR-71 Blackbird
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D-21 は、ロッキード製の偵察用無人航空機。1962年10 ...... 収のためにカメラモジュールを洋上で投下することになっていた。
@ja
D-21無人偵察機（Lockheed D-21）是美國空軍所使用的一款三倍音速長程戰略偵察機，取代原先的A-12偵察機。一共生产38架，飞行用掉21架。
@zh
Die D-21 war ein überschallsch ...... anischen Herstellers Lockheed.
@de
El Lockheed D-21 era un vehícu ...... l océano donde sería recogida.
@es
Il Lockheed D-21 fu un aeromob ...... mma venne interrotto nel 1971.
@it
Le Lockheed D-21 est un drone ...... tteindre la vitesse de Mach 3.
@fr
Lockheed D-21 – amerykański, s ...... B-52 Stratofortress wersji H.
@pl
Lockheed D-21 — североамерикан ...... изготовлены 38 таких самолёто
@ru
The Lockheed D-21 was an Ameri ...... ssance deep in enemy airspace.
@en
label
D-21 (航空機)
@ja
D-21無人偵察機
@zh
Lockheed D-21
@de
Lockheed D-21
@en
Lockheed D-21
@fr
Lockheed D-21
@pl
Lockheed D-21
@ru
Lockheed D-21/M-21
@es
Lockheed D-21/M-21
@it
