JSC2010-E-119526 (25 Aug. 2010) --- NASA astronauts Greg Chamitoff (background) and Michael Fincke, both STS-134 mission specialists, look over their flight plans in the check-out facility at Ellington Field near NASA's Johnson Space Center prior to a familiarization flight in NASA T-38 trainer jets. Photo credit: NASA or National Aeronautics and Space Administration