The Newseum holds a panel discussion on the 40th anniversary of the moon landing in Washington

John Grunsfeld (L), mission specialist of STS-125 Atlantis, Laurie Leshin (2nd-L), deputy director of science and technology at NASA's Goddard Space Flight Center, Charles Duke Jr. (3rd-L), Lunar Module pilot of Apollo 16 and Edwin "Buzz" Aldrin (R), Lunar Module pilot of Apollo 11 participate on a panel discussion with journalist Nick Clooney (C) on the Apollo legacy at the Newseum in Washington on July 20, 2009. (UPI Photo/Kevin Dietsch)