Expedition 21 Flight Engineer Jeffrey N. Williams, top, Spaceflight Participant Guy Laliberte, middle, and Expedition 21 Flight Engineer Maxim Suraev wave farewell from the bottom of the Soyuz launch pad shortly before their launch onboard the Soyuz TMA-16 from the Baikonur Cosmodrome in Kazakhstan on Wednesday, Sept. 30, 2009. (Photo Credit: NASA/Bill Ingalls)