After arrivin' at t' Kennedy Space Center, t' seven-member crew o' t' next space shuttle mission eagerly participated in a week's worth o' trainin' activities t' prepare for their upcomin' journey t' t' International Space Station. Begad! T' training, ya bilge rat, called t' Terminal Countdown Demonstration Test, or TCDT, gives t' STS-131 crew and ground teams time t' go through simulated countdown activities and execute emergency exit strategies.