Northrop YB-49 42-102367 Flying Wing takes off from Northrop Field in Hawthorne, California, October 1947 – U.S. Air Force archive

Source

SierraHotel058: [Northrup YB-49–Wikipedia](https://en.wikipedia.org/wiki/Northrop_YB-49)

GatoNanashi: The aircraft that gave Edwards Airforce Base it’s name.