Neil Armstrong stands at the podium with the U.S. flag behind him at the July 20 celebration of the 20th anniversary of the first lunar landing. President George H. W. Bush and Vice President Dan Quayle joined the three Apollo 11 astronauts- Neil Armstrong, Michael Collins and Edwin "Buzz" Aldrin for a morning ceremony at the National Air and Space Museum in Washington, DC. Also pictured are Smithsonian Secretary Adams, Museum Director Martin Harwit, Barbara Bush, Marilyn Quayle, National Aeronautics and Space Administration Administrator Richard Truly, and Postmaster General Anthony Frank.