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CAPE CANAVERAL, Fla. -- Crew members for space shuttle Discovery's STS-124 mission stride out of the Operations and Checkout Building eager to get to the Astrovan that will take them to Launch Pad 39A at NASA's Kennedy Space Center. Leading the way are Pilot Ken Ham (left) and Commander Mark Kelly (right). Behind Ham are (front to back) Mission Specialists Ron Garan, Akihiko Hoshide and Gregory Chamitoff. Behind Kelly are (front to back) Mission Specialists Karen Nyberg and Mike Fossum. Hoshide represents the Japan Aerospace Exploration Agency. Chamitoff will join the Expedition 17 crew on the International Space Station as a flight engineer, taking the place of astronaut Garrett Reisman, who will return to Earth on Discovery. The STS-124 mission is the second of three flights launching components to complete the Japan Aerospace Exploration Agency's Kibo laboratory. The shuttle crew will install Kibo's large Japanese Pressurized Module and its remote manipulator system, or RMS. The 14-day flight includes three spacewalks. Launch is scheduled for 5:02 p.m. May 31. Photo credit: NASA/Kim Shiflett