CIA Project OXCART: Area 51

CIA Project OXCART, Project Gusto produced the program code-named Oxcart to develop the stealthy A-12 Archangel as a new U-2 follow-on aircraft. Under CIA Project Oxcart, the stealthy A-12 Archangel was flight-tested at Area 51, Nevada, under a shroud of secrecy.
Flying at 95,000 feet and 2,221 mph or Mach 3.35, the A-12 was the fastest, highest-flying jet-powered, piloted aircraft ever, faster than the Air Force's SR-71, who officially holds the speed record.
Selecting a place called Area ...