CAPE CANAVERAL, Fla. – The STS-128 crewmembers gather on the top level of NASA Kennedy Space Center's fixed service structure at Launch Pad 39A. From left are Commander Rick Sturckow, Mission Specialists Danny Olivas and Christer Fuglesang, Pilot Kevin Ford and Mission Specialists Nicole Stott, Patrick Forrester and Jose Hernandez. 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.