Expedition 19 Flight Engineer Michael R. Barratt and backup spaceflight participant Esther Dyson exercise at the Cosmonaut Hotel, Saturday, March 21, 2009 in Baikonur, Kazakhstan. (Photo Credit: NASA/Bill Ingalls)
Expedition 19 Flight Engineer Michael R. Barratt and backup spaceflight participant Esther Dyson exercise at the Cosmonaut Hotel, Saturday, March 21, 2009 in Baikonur, Kazakhstan. (Photo Credit: NASA/Bill Ingalls)