U.S. President Barack Obama walks with astronaut Buzz Aldrin to board Air Force One at Andrews Air Force Base near Washington

 
U.S. President Barack Obama walks with astronaut Buzz Aldrin to board Air Force One at Andrews Air Force Base near Washington
U.S. President Barack Obama (C) walks with astronaut Buzz Aldrin (3rd L) to board Air Force One at Andrews Air Force Base near Washington, April 15, 2010. REUTERS/Jim Young (UNITED STATES - Tags: POLITICS PROFILE)