The Lockheed D-21 is an American supersonic reconnaissance drone. The D-21 was initially designed to be launched from the back of an M-21 carrier aircraft, a variant of the Lockheed A …

Built for a CIA program code-named "Tagboard," it carried an unpiloted D-21 drone for intelligence gathering. These drones were intended for launch from the M-21 "mothership" for flights over …

The D-21 was a supersonic reconnaissance drone, initially designed to be launched from the back of an M-21 carrier aircraft, a variant of the Lockheed A-12. The latter was the precursor to the …

2022年1月16日 · Initially, Lockheed testers used an M-21 (essentially a modified SR-71 Blackbird) to air launch the D-21 drone. The D-21 would be launched from the back of the M-21. Ideally, …

2019年10月24日 · The Lockheed D-21 unmanned drone was launched at Mach 3 from a pylon mounting on top of the rear fuselage of an A12 Blackbird. The designation of the A12 then …

2021年9月10日 · The M/D-21 would take off and fly to speeds above Mach 3 and 80,000 feet. At this speed and altitude, the drone’s engine could be ignited and the drone launched from the …

From Wikipedia: The Lockheed D-21 was a Mach 3+ reconnaissance drone. The drone was originally designed to be launched off the back of its A-12-based M-21 aircraft. Development …

2025年3月16日 · Due to the agreement between the Soviet Union and the United States restricting the use of manned vehicles over the Soviet landmass, this unmanned aircraft was …

2025年3月15日 · The M-21 is an A-12-like aircraft designed to launch the once ultra-secret D-21 Drone. When the United States signed a treaty to end flights of manned vehicles over the …

All M/D-21 operations ended with the death of Ray Torick. All subsequent flights of the D-21 were as D-21B's, which were reconfigured to launch the drone from an underwing pylon of a B-52 …