The X-48C Hybrid Wing Body research aircraft banked right over NASA's Dryden Flight Research Center at Edwards, CA during one of the sub-scale aircraft's final test flights on Feb. 28, 2013.

A deep blue sky was a backdrop for the NASA-Boeing X-48C Hybrid Wing Body aircraft as it flew over Edwards AFB on Feb. 28, 2013, during a test flight from NASA's Dryden Flight Research Center, Edwards, CA.

NASA X-48C Hybrid Wing Body aircraft flew over one of the runways laid out on Rogers Dry Lake at Edwards Air Force Base, CA, during a test flight from NASA's Dryden Flight Research Center on Feb. 28, 2013.

Earth and sky met as the X-48C Hybrid Wing Body aircraft flew over Edwards Air Force Base on Feb. 28, 2013, from NASA's Dryden Flight Research Center, Edwards, CA. The long boom protruding from between the tails is part of the aircraft's parachute-deployment flight termination system.

The manta ray-like shape of the X-48C Hybrid Wing Body aircraft was obvious in this underside view as it flew over Edwards Air Force Base on a test flight on Feb. 28, 2013.

The X-48C Hybrid Wing Body aircraft flew over Rogers Dry Lake on Feb. 28, 2013, from NASA's Dryden Flight Research Center, Edwards, CA. The long boom protruding from between the tails was part of the aircraft's parachute-deployment flight termination system.

The X-48C Hybrid Wing Body research aircraft flew over the intersection of several runways adjacent to the compass rose on Rogers Dry Lake at Edwards Air Force Base during one of the sub-scale aircraft's final test flights on Feb. 28, 2013.