FILE PHOTO: Buzz Aldrin, Annie Glenn, John Glenn and Diana

FILE PHOTO: (L-R) Astronaut Buzz Aldrin, Annie Glenn, astronaut John Glenn and singer Diana Krall look on during a memorial service for astronaut Neil Armstrong at the National Cathedral in Washington September 13, 2012. Armstrong, the first man to walk on the moon, died August 25. REUTERS/Evan Vucci/Pool/File Photo