Apollo 10 astronauts, 1969.

Thomas Stafford, John Young and Eugene Cernan fully suited and leaving the building to enter their Saturn V rocket for the Apollo 10 launch countdown demonstration test on 6th May 1969. Apollo 10, crewed by the three astronauts, was launched on 18th May 1969 on a lunar orbital mision, the dres rehearsal for the Apollo 11 Moon landing mision which took place two months later.