JSC2001-E-12122 (19 April 2001) --- Astronaut Scott D. Altman (foreground), STS-100 ascent spacecraft communicator (CAPCOM), stays on top of pre-launch activities at his console in the shuttle flight control room of Houston's Mission Control Center (MCC). Astronaut Mark L. Polansky stands beside Altman. Six astronauts and a cosmonaut, meanwhile, were strapped into their seats in the crew cabin of the Space Shuttle Endeavour several hundred miles away in Florida.
Photographer Robert Markowitz