The SR-71’s Secret Payload: The D-21 Ramjet Spy Drone [RARE RESTORED FOOTAGE] Witness the incredible and tragic history of the Lockheed D-21 drone program in this rare and restored video. This was a Cold War project codenamed “Tagboard,” which sought to launch a Mach 3 unmanned reconnaissance drone from the back of a modified A-12 Blackbird (designated the M-21). This video features rare, restored footage of the mothership configuration, the launch tests, and the engineering marvels produced by

12 reactions | The Lockheed M-21/D-21 are a pair of high-speed...

316K views · 1.6K reactions | Mind = blown Earlier this year, #NASAMarshall and Lockheed Martin engineers conducted a long duration creep test of an inflatable deep space habitation concept. Creep tests performed at Marshall, are designed to take this space technology to its breaking point. The design achieved over 1,000 hours at pressure before bursting – well exceeding the planned duration. | NASA's Marshall Space Flight Center | Facebook

7.9K views · 233 reactions | This is a flight characterization test of Lockheed Martin's Miniature Hit-to-kill (MHTK) interceptor at White Sands Missile Range. The MHTK is designed to be small in size, yet able to defeat rockets, mortars and artillery targets through kinetic energy at ranges greatly exceeding those of current systems. | Military Leak | Facebook

12K views · 1K reactions | Strap in and take flight with Chief Test Pilot Bill Fell in the S-97 RAIDER, our flying testbed for the U.S. Army's Future Attack Reconnaissance Aircraft program. | Lockheed Martin | Facebook