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 …

D-21无人侦察机无人侦察机（英文：D-21 Reconnaissance Drone [8]）是美国在20世纪60年代末期研制的一型高空高速无人侦察机。

The D-21 drone was an unpiloted aircraft originally designed for CIA and Air Force surveillance missions over particularly hostile territories. Launched from airborne carrier aircraft, the D-21's …

2022年1月16日 · After the accident and after the death of Ray Torick, a test flight engineer, the M-21 launch program was cancelled but testers still believed the D-21 would make a valuable …

The Lockheed D-21 was a highly-advanced, remotely piloted aircraft (RPA) designed to carry out high-speed, high-altitude strategic reconnaissance missions over hostile territory. Developed …

2018年6月8日 · The ultra-secret test program to launch a D-21 drone from the top of an M-21 launch aircraft at over Mach 3 and 90,000 feet, is cancelled. The D-21 program does move …

2019年10月24日 · Lockheed D-21 Air Launched Drone Lockheed M21 Lockheed Skunk Works Classified Project Name: Tagboard D-21A/B ( Drones) The Lockheed D-21 unmanned drone …

D-21 Drone on the field at the Pacific Coast Air Museum. Once a highly classified strategic reconnaissance project, the D-21 Drone project was known to only a comparative few within …

2 天之前 · The drone was carried and launched by two A-12-like aircrafts called M-21s, and a number of B-52Hs. The D-21 was released at high speed, and was separated from the M-21 …

The Lockheed D-21 was a highly-advanced, remotely piloted aircraft (RPA) designed to carry out high-speed, high-altitude strategic reconnaissance missions over hostile territory. Developed …