Space ShuttleSpace Shuttle Atlantis lifts off on the 111th shuttle flight, an 11-day construction mission to the International Space Station. Another major structural truss is assembled and attached, serving the primary function of radiating built-up waste heat away from the station and into space. Aboard Atlantis for her 26th flight are Commander Jeff Ashby, Pilot Pamela Melroy, and mission specialists David Wolf, Piers Sellers, Sandra Magnus and Fyodor Yurchikhin.