As early as 1943 it became apparent that supersonic flight might be an achievable goal--but not for the propeller-driven aircraft of the day. Spurred on by secret intelligence of a German supersonic ...

Area 51 just got a little more mysterious. The US Air Force’s top-secret Boeing 737-200 aircraft, also known as the RAT55 jet, was spotted soaring over Nevada’s Groom Lake facility, confirming ...

The F-117 Nighthawk did something no American combat jet had done before: it turned near-invisibility into an operational weapon system rather than a laboratory trick. Long before stealth became a ...

The Northrop Tacit Blue was often overshadowed by its predecessor, the Lockheed Have Blue stealth demonstrator, but in reality it was one of the most transformational secret aircraft test programs ...