On board Apollo 10, 1969.

Astronaut John Young shaving while mision commander Thomas Stafford looks on, during the Apollo 10 flight to the Moon in May 1969. Apollo 10, carrying astronauts Stafford, Young and Eugene Cernan, was launched on 18th May 1969 on a lunar orbital mision, the dres rehearsal for the Apollo 11 landing mision which took place two months later.