(10/09/1998) --- STS-95 Payload Specialist John H. Glenn Jr., senator from Ohio, straps into the seat of the T-38 jet aircraft that will carry him back to Houston. Mission Commander Curtis L. Brown, his pilot on the jet, looks on. The STS-95 successfully completed their Terminal Countdown Demonstration Test (TCDT) which included mission familiarization activities, emergency egress training, and a simulated main engine cutoff. Other crew members participating were Pilot Steven W. Lindsey, Mission Specialist Stephen K. Robinson, Payload Specialist Chiaki Mukai (M.D., Ph.D.), representing the National Space Development Agency of Japan (NASDA), Mission Specialist Pedro Duque of Spain, representing the European Space Agency (ESA), and Mission Specialist Scott E. Parazynski. The STS-95 mission, targeted for liftoff on Oct. 29, includes research payloads such as the Spartan solar-observing deployable spacecraft, the Hubble Space Telescope Orbital Systems Test Platform, the International Extreme Ultraviolet Hitchhiker, as well as the SPACEHAB single module with experiments on space flight and the aging process. Following the TCDT, the entire crew returned to Houston for final flight preparations