KENNEDY SPACE CENTER, FLA. - STS-114 Mission Specialist Soichi Noguchi holds the mission patch that will be attached to Space Shuttle Discovery for flight. Noguchi is with the Japan Aerospace Exploration Agency. The crew is taking part in a full dress rehearsal for launch, including countdown and culminating in main engine cutoff. The rehearsal is the final part of Terminal Countdown Demonstration Test (TCDT) activities that the crew has been involved in for three days. TCDT provides the crew of each mission an opportunity to participate in various simulated countdown activities, including equipment familiarization and emergency egress training. STS-114 is the first Return to Flight mission to the International Space Station. The launch window extends July 13 through July 31.