S99-07639 (15 July 1999) --- Astronaut Brent W. Jett, Jr., STS-97 mission commander, goes over a checklist while seated at the commander's station of a trainer/mockup during a dry-run of launch countdown procedures.
S99-07639 (15 July 1999) --- Astronaut Brent W. Jett, Jr., STS-97 mission commander, goes over a checklist while seated at the commander's station of a trainer/mockup during a dry-run of launch countdown procedures.