CAPE CANAVERAL, Fla. – After a successful simulated launch countdown, STS-128 Mission Specialists (from left) Danny Olivas, Nicole Stott and Christer Fuglesang hurry to the slidewire basket area on NASA Kennedy Space Center's fixed service structure. They are practicing emergency exit from the pad. They and other mission crewmembers are at KSC to take part in the terminal countdown demonstration test, or TCDT, which includes emergency exit training and culminates in the simulated countdown.