Mission Specialist Marc Garneau settles into his seat in Space Shuttle Endeavour on Launch Pad 39B.

STS-97 Mission Specialist Marc Garneau, who is with the Canadian Space Agency, settles into his seat in Space Shuttle Endeavour on Launch Pad 39B. He and the rest of the crew are taking part in a simulated launch countdown, part of Terminal Countdown Demonstration Test activities that also include emergency egress training and familiarization with the payload. Mission STS-97 is the sixth construction flight to the International Space Station. Its payload includes the P6 Integrated Truss Structure and a photovoltaic (PV) module, with giant solar arrays that will provide power to the Station. The mission includes two spacewalks to complete the solar array connections. STS-97 is scheduled to launch Nov. 30 at about 10:05 p.m. EST