(09/06/2001) -- In the Operations and Checkout Building, STS-110 Mission Specialist Lee M. Morin checks out Integrated Truss Structure (ITS) S0, which will be part of the payload on the mission. He and other crew members are at KSC for a Crew Equipment Interface Test. The STS-110 crew comprises Commander Michael J. Bloomfield, Pilot Stephen N. Frick, Mission Specialists Jerry L. Ross , Steven L. Smith, Ellen Ochoa, Morin and Rex J. Walheim. The ITS S0 is part of the payload on the mission. It is the center segment they will be installing on the International Space Station, part of the 300-foot (91-meter) truss attached to the U.S. Lab. By assembly completion, four more truss segments will attach to either side of the S0 truss. STS-110 is currently scheduled to launch in February 2002