6.3K views · 110 reactions | Some of the design work performed in the development of the YB-49 proved to be valuable to #NorthropGrumman decades later in the advent of the B-2 Spirit. The first of these new YB-49 jet-powered aircraft flew on October 22, 1947 and set an unofficial endurance record of staying continually above 40,000 ft for 6.5 hours. #FlyingWingFriday | Northrop Grumman Corporation | Facebook

26K views · 657 reactions | X-47B made aviation history by successfully conducting the first ever autonomous aerial refueling of an unmanned aircraft – unlocking the full potential of what an autonomous surveillance, strike and reconnaissance system can do in support of critical national security missions. #NorthropGrumman #FlyingWingFriday | Northrop Grumman Corporation | Facebook

The Northrop Grumman X-47B is a demonstration unmanned combat aerial vehicle (UCAV) designed for aircraft carrier-based operations. | War History Online