Pilot William ``Willie'' McCool center gets help with his launch and entry suit from the Closeout Crew in the White Room.

STS-107 Pilot William "Willie" McCool (center) gets help with his launch and entry suit from the Closeout Crew in the White Room. The environmentally controlled chamber is mated to Space Shuttle Columbia for entry into the Shuttle. In the foreground, left, is Mission Specialist David Brown. STS-107 is a mission devoted to research and will include more than 80 experiments that will study Earth and space science, advanced technology development, and astronaut health and safety. The payload on Space Shuttle Columbia includes FREESTAR (Fast Reaction Experiments Enabling Science, Technology, Applications and Research) and the SHI Research Double Module (SHI/RDM), known as SPACEHAB. Experiments on the module range from material sciences to life sciences. Liftoff is scheduled for 10:39 a.m. EST.