Pathfinder aircraft being assembled - wing assembly.
NASA's B-52B mothership, escorted by two F-18s, made a final flyover after its last research mission that launched the X-43A…
NASA's historic B-52 mothership carried the X-43A and its Pegasus booster rocket on a captive-carry flight from Edwards Air Force…
SR-71 in-flight from tanker.
The black X-43A rode on the front of a modified Pegasus booster rocket hung from the special pylon under the…
Pathfinder aircraft checkout flight.
As part of a combined systems test conducted by NASA Dryden Flight Research Center, NASA's NB-52B carrier aircraft rolled down…
The second X-43A hypersonic research aircraft and its modified Pegasus booster rocket left the runway, carried aloft by NASA's B-52B…
Pathfinder aircraft in flight.
A top front view of an early desk-top model of NASA's X-43A "Hyper-X," or Hypersonic Experimental Vehicle, developed to flight…
