Technicians in the Payload Changeout Room on Launch Pad 39A at NASA's Kennedy Space Center monitor Discovery's payload bay.

Technicians in the Payload Changeout Room on Launch Pad 39A at NASA's Kennedy Space Center monitor the transfer of the STS-124 mission payload, the Japanese Experiment Module - Pressurized Module and the Japanese Remote Manipulator System into space shuttle Discovery's payload bay. Launch of Discovery is targeted for May 31. Photo credit: NASA/Jim Grossmann