Hispanic Heritage MonthChilean Air Force Captain Saez and Dr. Tom Mace, DFRC Director of Airborne Sciences, discussed airborne science during a DC-8...NASA Administrator Sean O'Keefe making a presentation to Fernando Gutierrez during the AirSAR 2004 hangar naming ceremony.Members of the STS-128 mission crew line up behind Space Shuttle Discovery and the Mate DeMate Device at NASA's Dryden...Discovery spacewalker Danny Olivas at work during the STS-128 mission's first spacewalk. During the six-hour, 35-minute spacewalk, Olivas and astronaut...Astronaut Carlos I. Noriega, mission specialist, waves toward his space walk partner, astronaut Joseph R. Tanner, as Tanner snaps a...