CAPE CANAVERAL, Fla. -- Inside space shuttle Discovery, the STS-133 crew members are preparing to exit the spacecraft that brought them home safely to NASA's Kennedy Space Center in Florida. Commander Steve Lindsey, Pilot Eric Boe, and Mission Specialists Alvin Drew, Steve Bowen, Michael Barratt and Nicole Stott will undergo brief medical checks in the crew transport vehicle before they walk around Discovery on the Shuttle Landing Facility's Runway 15. Discovery's final return from space completed a 13-day, 5.3-million-mile mission. Discovery and its six-member crew delivered the Permanent Multipurpose Module, packed with supplies and critical spare parts, as well as Robonaut 2, the dexterous humanoid astronaut helper, to the orbiting outpost. STS-133 was Discovery's 39th and final mission. This was the 133rd Space Shuttle Program mission and the 35th shuttle voyage to the space station. Photo credit: NASA/Kim Shiflett