CAPE CANAVERAL, FL - APRIL 29: In this handout photo provided by NASA, President Barack Obama and First Lady Michelle Obama meet with space shuttle Endeavor commander Mark Kelly (R), and shuttle ... more 
CAPE CANAVERAL, FL - APRIL 29: In this handout photo provided by NASA, President Barack Obama and First Lady Michelle Obama meet with space shuttle Endeavor commander Mark Kelly (R), and shuttle astronauts, (L-R) Andrew Feustel, European Space Agency's Roberto Vittori, Michael Fincke, Gregory H. Johnson, and Greg Chamitoff, after their launch was scrubbed April 29, 2011 at the Kennedy Space Center in Cape Canaveral, Florida. President Barack Obama visited Cape Canaveral Friday despite NASA postponing the launch of the Space Shuttle Endeavour. (Photo By Bill Ingalls/NASA via Getty Images) less 
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Getty Images | Photo By NASA / Getty Images
Fri, Apr 29, 2011 9:32 PM EDT