The crew of space shuttle Discovery's STS-124 mission arrives at the Shuttle Landing Facility at NASA's Kennedy Space Center aboard T-38 jet trainers to get ready for launch. Seen here is Pilot Ken Ham, who is making his first shuttle flight. Launch of Discovery is scheduled for 5:02 p.m. May 31. On the STS-124 mission, the crew of seven will deliver and install the Japanese Experiment Module – Pressurized Module and Japanese Remote Manipulator System. Photo credit: NASA/Kim Shiflett