The small size of the X-43A scramjet was evident in this nose-on view while mounted to its modified Pegasus booster…
The second X-43A hypersonic research aircraft and its modified Pegasus booster rocket left the runway, carried aloft by NASA's B-52B…
Pathfinder on lakebed preparing for test flight.
With the X-43A and its booster rocket tucked under its right wing, NASA's B-52B mothership climbed out after takeoff on…
The first of three X-43A hypersonic research aircraft and its modified Pegasus® booster rocket underwent combined systems testing while mounted…
The NASA X-43A hypersonic research vehicle and its Pegasus booster rocket, mounted beneath the wing of their B-52 mothership, had…
With its afterburners roaring, NASA research pilot Jim Smolka pulled NASA's highly modified NF-15B research aircraft into a steep climb…
SR-71 receiving flight prep maintenance pre-dawn.
SR-71B Mach 3 trainer in flight at sunset.
Pathfinder on lakebed rolling out for test flight.
