X-43A Hypersonic Research Vehicle (Hyper-X)The second X-43A hypersonic research aircraft and its modified Pegasus booster rocket accelerate after launch from NASA's B-52B launch aircraft...The first X-43A hypersonic research aircraft and its modified Pegasus booster rocket were carried aloft by NASA's NB-52B carrier aircraft...Attached to the same B-52B mothership that once launched X-15 research aircraft in the 1960s, NASA's third X-43A performed a...The NASA X-43A hypersonic research vehicle and its Pegasus booster rocket, mounted beneath the wing of their B-52 mothership, had...NASA X-43A Monitor Station Operator Brad Neal performs final checks and pre-flight preparations aboard the B-52 for the third X-43A...The Hyper-X X-43A project team in front of NASA's B-52B launch aircraft with the Pegasus booster and X-43A vehicle attached.The second X-43A hypersonic research aircraft, attached to a modified Pegasus booster rocket and followed by a chase F-18, was...The third X-43A hypersonic research aircraft, attached to a modified Pegasus booster rocket, was taken to launch altitude by NASA's...The third X-43A hypersonic research aircraft and its modified Pegasus booster rocket left the runway, carried aloft by NASA's B-52B...The second X-43A hypersonic research aircraft and its modified Pegasus booster rocket drop away from NASA's B-52B launch aircraft over...Technicians prepare a Pegasus rocket booster for flight tests with the X-43A "Hypersonic Experimental Vehicle," or "Hyper-X." The X-43A, which...The second X-43A hypersonic research aircraft and its modified Pegasus booster rocket accelerate after launch from NASA's B-52B launch aircraft...NASA's B-52B aircraft over the Dryden Flight Research Center after the successful launch of the second X-43A hypersonic research vehicle.Employees atop NASA Dryden's main building celebrate the return flyby of the B-52B aircraft after it launched the second X-43A...NASA avionics technicians Randy Wagner and Terry Bishop make final adjustments on the scramjet-powered X-43A before its record Mach 9.6...The X-43A Hypersonic Experimental (Hyper-X) Vehicle hangs suspended in the cavernous Benefield Anechoic Facility at Edwards Air Force Base during...This head-on view showed the first of three X-43A hypersonic research aircraft (foreground) after it was mated to its modified...The X-43A Hypersonic Experimental Vehicle, or "Hyper-X" was seen here undergoing ground testing at NASA's Dryden Flight Research Center, Edwards,...A top front view of an early desk-top model of NASA's X-43A "Hyper-X," or Hypersonic Experimental Vehicle, developed to flight...Sleek lines are apparent in this side-view of an early desk-top model of NASA's X-43A "Hyper-X," or Hypersonic Experimental Vehicle.An artist's conception of the X-43A Hypersonic Experimental Vehicle, or "Hyper-X" in flight.An artist's conception of the X-43A Hypersonic Experimental Vehicle, or "Hyper-X" in flight.A close-up of the X-43A Hypersonic Experimental Vehicle, or "Hyper-X," in its protective shipping framework after it arrived at the...The X-43A Hypersonic Experimental Vehicle, or "Hyper-X" is seen here undergoing ground testing at NASA's Dryden Flight Research Center, Edwards,...The X-43A Hypersonic Experimental Vehicle, or "Hyper-X" is seen here undergoing ground testing at NASA's Dryden Flight Research Center, Edwards,...Mach 7 wind tunnel test of the full-scale X-43A model with spare flight engine in Langley's 8-Foot High Temperature Tunnel.EC96-43709-3A front view of an early desk-top model of NASA's X-43A "Hyper-X," or Hypersonic Experimental Vehicle, which has been developed...This aft-quarter model view of NASA's X-43A "Hyper-X" or Hypersonic Experimental Vehicle shows its sleek, geometric design.The configuration of the X-43A Hypersonic Experimental Research Vehicle, or Hyper-X, attached to a Pegasus launch vehicle was displayed in...The X-43A Hypersonic Experimental Vehicle, or "Hyper-X," carefully packed in a protective shipping framework, was unloaded from a container after...The configuration of the X-43A Hypersonic Experimental Research Vehicle, or Hyper-X, attached to a Pegasus launch vehicle is displayed in...The X-43A Hypersonic Experimental Vehicle, or "Hyper-X" undergoing ground testing at NASA's Dryden Flight Research Center, Edwards, CA, in December...A head-on view of the X-43A Hypersonic Experimental Vehicle, or "Hyper-X," in its protective shipping framework as it arrives at...The X-43A Hypersonic Experimental (Hyper-X) Vehicle hangs suspended in the cavernous Benefield Anechoic Facility at Edwards Air Force Base during...Guinness World Records formally recognized the NASA X-43A Hyper-X world speed record for an aircraft propelled by an air-breathing engine...An artist's conception of the X-43A Hypersonic Experimental Vehicle, or "Hyper-X" in flight.Artist's depiction of a Hyper-X research vehicle under scramjet power in free-flight following separation from its booster rocket.This artist's concept depicts the Hyper-X research vehicle riding on a booster rocket prior to being launched by the Dryden...A side-view of an early desk-top model of NASA's X-43A "Hyper-X," or Hypersonic Experimental Vehicle, which has been developed to...This computational fluid dynamics (CFD) image shows the Hyper-X vehicle at a Mach 7 test condition with the engine operating.