Your browser or your browser's settings are not supported. To get the best experience possible, please download a compatible browser. If you know your browser is up to date, you should check to ensure that javascript is enabled.
› Learn How
JSC2012-E-237838 (9 Nov. 2012) --- NASA astronaut Michael Hopkins, Expedition 37/38 flight engineer, prepares for a flight in a NASA T-38 trainer jet at Ellington Field near NASA's Johnson Space Center. Photo credit: NASA