Thomas Jones Marsha Ivins and Robert Curbeam practice a speedy exit from the Fixed Service Structure during emergency egress training.

Fully dressed in their launch and entry suits, STS-98 Mission Specialists Thomas Jones (left), Marsha Ivins and Robert Curbeam practice a speedy exit from the Fixed Service Structure during emergency egress training. They are heading for the slidewire baskets that slide along a 1200-foot wire to the landing zone below and nearby bunker. The crew has been taking part in Terminal Countdown Demonstration Test activities, which include the simulated countdown and emergency egress training at the pad. STS-98 is the seventh construction flight to the International Space Station, carrying as payload the U.S. Lab Destiny, a key element in the construction of the ISS. Launch of STS-98 is scheduled for Jan. 19 at 2:11 a.m. EST