Astronauts Barry Wilmore and Michael Hopkins

JSC2012-E-237837 (9 Nov. 2012) --- NASA astronaut Barry Wilmore (left), Expedition 41 flight engineer and Expedition 42 commander; and NASA astronaut Michael Hopkins, Expedition 37/38 flight engineer, are pictured in the check-out facility at Ellington Field near NASA's Johnson Space Center as they prepare for a flight in a NASA T-38 trainer jet. Photo credit: NASA