Neil Armstrong memorial service (17 images)

Former astronaut Buzz Aldrin wears a space tie during a memorial service for Apollo 11 astronaut Neil Armstrong at the National Cathedral on September 13, 2012 in Washington. UPI/ Evan Vucci/Pool

Family members of Apollo 11 astronaut Neil Armstrong look on during a memorial service at the National Cathedral on September 13, 2012 in Washington. From left, Kathryn Armstrong, Dean Armstrong, Jack Hoffman, June Hoffman, Moly Van Wagenen, Carol Armstrong, and Rick Armstrong, UPI/ Evan Vucci/Pool

Singer Diana Krall, right, holds hands with Sen. John Glenn during a memorial service for Apollo 11 astronaut Neil Armstrong at the National Cathedral on September 13, 2012 in Washington. UPI/ Evan Vucci/Pool

Apollo 11 astronauts Michael Collins, second from left, and Buzz Aldrin, second from right, talk before the start of a memorial service for Apollo 11 astronaut Neil Armstrong at the National Cathedral on September 13, 2012 in Washington. UPI/ Evan Vucci/Pool