Washington, UNITED STATES
U.S. President Barack Obama meets with Apollo 11 astronauts Edwin "Buzz" Aldrin and Michael Collins to...
U.S. President Barack Obama meets with Apollo 11 astronauts Edwin "Buzz" Aldrin (C) and Michael Collins (L) to commemorate the 45th anniversary of the Apollo 11 mission in the Oval Office at the White House in Washington July 22, 2014. REUTERS/Joshua Roberts (UNITED STATES - Tags: POLITICS ANNIVERSARY SCIENCE TECHNOLOGY)