Northrop YT-38-05-NO 58-1191, first flight at Edwards AFB, 10 April 1967 1 Published on April 3, 2013 in 10 April 1959Full resolution (1024 × 819) ← Previous Next → Northrop YT-38-5-NO 58-1191 in flight over Edwards AFB, 10 April 1959. (U.S. Air Force)