sentences:  Léopold Eyharts, who came aboard during STS-122, joined the mission on 9 February 2008, replacing Tani.The crew was then joined by Garrett Reisman, who was launched aboard "Endeavour" with STS-123, on 11 March 2008, replacing Eyharts.Reisman joined Expedition 16 in progress, and was a part of Expedition 17 as well.