STS-122 Mission Specialist, Rex Walheim, left, and Shuttle Launch Director, Michael D. Leinbach take a moment to watch the close out crew work on the space shuttle Atlantis. Atlantis landed at the Shuttle Landing Facility, 9:07a.m., Wednesday, Feb. 20, 2008 at Kennedy Space Center, Fla. completing delivery of the European Space Agency’s (ESA) Columbus laboratory to the International Space Station. Photo Credit: (NASA/Bill Ingalls)