Emergency bailout training
HOUSTON -- Astronaut and pilot Col. Pam Melroy is assisted by three scuba-equipped divers in the deep pool at the Neutral Buoyancy Laboratory at the Sonny Carter Training Facility near the Johnson Space Center. She and the rest of the STS-92 crew were participating in an emergency bailout training exercise preparing for next year's scheduled visit to the International Space Station. (Photo courtesy of NASA)