Martin XB-48 First Flight

Excerpt from the Air Force Engineering Division film report 342usaf14150 Experimental and Research Aircraft: The Martin XB-48 took off on its first flight from the Martin plant at Baltimore on June 22, 1947. The flight concluded at Naval Air Station Patuxent River. The XB-48 was powered by six 3,820-pound thrust Chevrolet J35-C3 turbojets. This film is silent.