Mission Specialist Carlos Noriega front gets ready to take the wheel of an M-113.

Mission Specialist Carlos Noriega (front) gets ready to take the wheel of an M-113. In the rear can be seen Mission Specialists Marc Garneau (left) and Joe Tanner (right). Learning to drive the armored vehicle is part of emergency egress training during Terminal Countdown Demonstration Test (TCDT) activities. The tracked vehicle could be used by the crew in the event of an emergency at the pad during which the crew must make a quick exit from the area. The TCDT, also includes a simulated launch countdown and opportunities to inspect the mission payloads in the orbiter’s payload bay. Mission STS-97is 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 10:05 p.m. EST