Boeing Phantom Works X-48B Blended Wing Body (BWB) Aircraft: photo wallpapers:  In cooperation with NASA and the U.S. Air Force Research
Laboratory, Boeing Phantom Works soon will begin ground testing of its
X-48B Blended Wing Body (BWB) concept in preparation for flight testing
early in 2007. The X-48B ground and flight testing will take place at
NASA's Dryden Flight Research Center at Edwards Air Force Base in
California, where two high-fidelity 21-foot wingspan prototypes have
been delivered.