Space ShuttleCarrying over 3,000 pounds of supplies for future station crews, Space Shuttle Atlantis lifts off on a ten-day mission to the International Space Station. The supplies include exercise equipment and general housekeeping gear; Atlantis boosts the still-under-construction vacant station’s orbit by 27 miles. Aboard Atlantis for her 20th flight are Commander James Halsell, Pilot Scott “Doc” Horowitz, and mission specialists Mary Ellen Weber, Jeff Williams, James Voss, Susan Helms and Yury Usachev.