Space shuttle Discovery’s crew arrived at NASA’s Kennedy Space Center in Florida yesterday to begin a week of training for their upcoming STS-133 mission. The six astronauts began the Terminal Countdown Demonstration Test or TCDT, and related training last night. Commander Steve Lindsey and Pilot Eric Boe practiced landings in the shuttle training aircraft, a modified Gulfstream II business jet that mimics the shuttle’s handling during the final phase of landing. Training this week will include emergency exit training from Launch Pad 39A and will conclude Friday with a dress rehearsal of launch procedures.