Labels:airplane | bomber | plane | sky OCR: 20113 U.S.AIR ORCE ANE AIR FORCE CAPTIVE FLIGHT TEST CENTER NASA Dryden Flight Research Center Photo Collection NASA http://www afrc nasa gov/gallery/photo/index html NASA Photo EC88 -0180-4 Date: mid- 960s Photo by: NASA X-15 Mated to B-52 Captive Flight 1960s