JSC2000-07661 (19 December 2000) --- Astronaut Scott J. Horowitz, STS-105 mission commander, dons a training version of the full-pressure launch and entry suit prior to a training session in one of the trainer/mockups (out of frame) in the Jake Garn Simulation and Training Facility at Johnson Space Center (JSC). This summer, Horowitz will join four other astronauts and two cosmonauts for a mission to the International Space Station (ISS).