Space shuttle Endeavour crew members, first row left to right, pilot Greg H. Johnson, commander Mark Kelly, second row left to right, mission specialists Roberto Vittori of Italy, Mike Fincke, third ... more 
Space shuttle Endeavour crew members, first row left to right, pilot Greg H. Johnson, commander Mark Kelly, second row left to right, mission specialists Roberto Vittori of Italy, Mike Fincke, third row left to right, mission specialists Greg Chamitoff, and Drew Feustel depart the Operations and Checkout Building at Kennedy Space Center in Cape Canaveral, Fla. on Friday, April 1, 2011. The STS-134 crew is at Kennedy Space Center for a practice countdown. less 
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Associated Press | Photo By Terry Renna
Mon, Apr 4, 2011 11:33 AM EDT