JSC2008-E-035360 (17 April 2008) --- Astronaut Gregory C. Johnson, STS-125 pilot, prepares for a flight in a NASA T-38 trainer jet at Ellington Field near NASA's Johnson Space Center.
Photographer Blair
JSC2008-E-035360 (17 April 2008) --- Astronaut Gregory C. Johnson, STS-125 pilot, prepares for a flight in a NASA T-38 trainer jet at Ellington Field near NASA's Johnson Space Center.