JSC2010-E-043837 (29 March 2010) --- The Expedition 23 crew poses for pictures in front of their Soyuz TMA-18 following the final fit check at Baikonur Cosmodrome on March 29, 2010. From left are NASA astronaut Tracy Caldwell Dyson, flight engineer, with Russian cosmonauts Alexander Skvortsov, Soyuz commander and Expedition 23 flight engineer; and Mikhail Kornienko, flight engineer. Photo credit: NASA/Victor Zelentsov