
This closeup of Boeing Phantom Works’ unique X-48B Blended Wing Body technology demonstrator showed off its unusual engine placement and…

The second of three X-43A hypersonic research aircraft, shown here in its protective shipping jig, arrived at NASA’s Dryden Flight…

The NASA X-43A hypersonic research vehicle and its Pegasus booster rocket, mounted beneath the wing of their B-52 mothership, had…

Hitching a ride on the same B-52 mothership that once launched X-15 research aircraft in the 1960s, NASA’s X-43A scramjet…

With its spin parachute tail stinger extending aft, Boeing’s sub-scale X-48B BWB technology demonstrator showed off its clean semi-triangular shape.

The NASA X-43A hypersonic research vehicle and its Pegasus booster rocket, mounted beneath the wing of their B-52 mothership, had…

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…