
Marta Bohn-Meyer flew as a back-seat flight test engineer in this NASA T-38 mission support aircraft when this 1993 photo…

The first X-45A Unmanned Combat Air Vehicle (UCAV) technology demonstrator completed its sixth flight on Dec. 19, 2002, raising its…

The Space Shuttle orbiter Atlantis, framed by the California mountains, as it rides on the back of one of NASA's…

New NASA Administrator Michael Griffin (right) shares a moment with center director Kevin Petersen (left) and F-15B project manager Stephen…

The Theseus prototype research aircraft being assembled at NASA's Dryden Flight Research Center, Edwards, Calif., in May of 1996.

Crew members are seen here unloading an engine of the Theseus prototype research aircraft at NASA's Dryden Flight Research Center,…

This front-view photo of the X-29 technology demonstrator aircraft shows the X-29 lit by early morning light on Rogers Dry…

The Space Shuttle prototype Enterprise rides smoothly atop NASA's first Shuttle Carrier Aircraft (SCA), NASA 905.

ERAST Demonstrator 2 (D-2) in flight during 1996. The D-2 was built by Scaled Composites of Mojave, Calif., to test…

The tail of the Theseus prototype research aircraft is seen here being unloaded at NASA's Dryden Flight Research Center, Edwards,…