STS-121 crewmembers leave the O&C Bldg. on their way to the launch pad

STS121-S-005 (4 July 2006) --- The STS-121 crewmembers, having donned their shuttle launch and entry suits, wave flags for the Fourth of July as they head out of the Operations and Checkout Building at Kennedy Space Center to the transfer van awaiting to take them to Launch Pad 39B. Steven W. Lindsey (right front), commander, and Mark E. Kelly, pilot, lead the way. Other crewmembers - Lisa M. Nowak, Michael E. Fossum, Stephanie D. Wilson, Piers J. Sellers and European Space Agency (ESA) astronaut Thomas Reiter of Germany - follow.