(02/15/2001) --- STS-102 Mission Specialist Andrew Thomas occupies seat 3 in orbiter Discovery, getting ready for a simulated countdown. He and the rest of the crew are taking part in Terminal Countdown Demonstration Test activities. STS-102 is the eighth construction flight to the Space Station, with Space Shuttle Discovery carrying the Multi-Purpose Logistics Module Leonardo. Launch on mission STS-102 is scheduled for March 8