STAR CITY, RUSSIA - Russian Space Agency Director Yuri Koptev shakes hands with Expedition Six Commander Ken Bowersox, as Bowersox is also hugged by his wife Annie. The Expedition Six crew spent 161 days in space, 159 manning the International Space Station. Photo Credit: NASA/Bill Ingalls

STAR CITY, RUSSIA - NASA Administrator Sean O'Keefe (left) visits with Expedition Six Commander Ken Bowersox (right) and his brother (center). The Expedition Six crew spent 161 days in space, 159 manning the International Space Station. Photo Credit: NASA/Bill Ingalls