Space shuttle Discovery continues to be lowered onto the mobile launcher platform in front of the solid rocket boosters and external tank.

In high bay 3 of the Vehicle Assembly Building at NASA's Kennedy Space Center, space shuttle Discovery continues to be lowered onto the mobile launcher platform in front of the solid rocket boosters and external tank. The stacking is in preparation for the launch on the upcoming STS-124 mission to the International Space Station. On the mission, the STS-124 crew will transport the Japanese Experiment Module - Pressurized Module and the Japanese Remote Manipulator System to the space station. Launch of Discovery is targeted for May 31 Photo credit: NASA/Jim Grossmann