Interesting Things with JC #225: "Lockheed A-12" was a high-altitude, Mach 3+ reconnaissance aircraft built for the US CIA by Lockheed's Skunk Works under project Oxcart. The plane was a one seater with a payload of 2500lbs, 101ft long with a wingspan of 55 feet (31x17 meters). Able to hold 10,590 US gal of fuel, weighing 117,000 lb (53k kg) with dual Pratt & Whitney JT11D-20B turbine engines.