STS-133 Commander Steven Lindsey, far left, presents a montage to President Barack Obama as crew members Michael Barratt, Pilot Eric Boe, Nicole Stott, and Stephen Bowen look on during a visit to the Oval Office in the White House, Monday, May 9, 2011, in Washington. Also in attendance but not seen, was Mission Specialist Alvin Drew. Photo Credit: (NASA/Paul E. Alers)

NASA Administrator Charles Bolden along with Deputy Administrator Lori Garver, center, stands with STS-133 crew members from left, Mission Specialists Stephen Bowen, Michael Barratt, Nicole Slott, Alvin Drew, Commander Steve Lindsey, and Pilot Eric Boe after being presented montages, Monday, May 9, 2011, at NASA Headquarters in Washington. Photo Credit: (NASA/Paul E. Alers)

STS-133 Commander Steven Lindsey, far left, presents a montage to President Barack Obama as crew members Michael Barratt, Pilot Eric Boe, Nicole Stott, and Stephen Bowen along with NASA Administrator Charles Bolden, far right, look on during a visit to the Oval Office in the White House, Monday, May 9, 2011, in Washington. Also in attendance but not seen, was Mission Specialist Alvin Drew.Photo Credit: (NASA/Paul E. Alers)