Space Shuttle Endeavour lifts off on the 112th shuttle flight, a two-week mission to resupply and exchange crews at the International Space Station. Another structural tress to dissipate excess heat into space is assembled and attached. Aboard Endeavour for her 19th flight are Commander James Wetherbee, Pilot Paul Lockhart, mission specialists Michael Lopez-Alegria and John Herrington, and ISS Expedition 6 crewmembers Kenneth Bowersox, Nikolai Budarin and Don Pettit. Returning to Earth aboard the shuttle are Expedition 5 crewmembers Valeri Korzun, Peggy Whitson and Sergei Treschev.
This is the last successful shuttle mission for over two years.