The STS-133 crew poses at Pad 39A before their Terminal Countdown Demonstration Test, a launch day dress-rehearsal, on October 14, 2010. Left to right are commander Steve Lindsey, Pilot Eric Boe, and mission specialists Alvin Drew, Tim Kopra**, Mike Barrat and Nicole Stott (**On January 15, 2011, Tim Kopra suffered a bicycle accident and was removed from the STS-133 crew, replaced with Steve Bowen)