The crew gets instruction on emergency egress from the pad during Terminal Countdown Demonstration Test activities.

The STS-107 crew gets instruction on emergency egress from the pad during Terminal Countdown Demonstration Test activities. Seen are Pilot William "Willie" McCool and Commander Rick Husband. The TCDT also includes a simulated launch countdown. 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. Launch is planned for Jan. 16, 2003, between 10 a.m. and 2 p.m. EST aboard Space Shuttle Columbia.

.