The Apollo 10 Saturn V rocket, May 1969.

The rocket is on the launch pad at the Kennedy Space Centre's Launch Complex 39B at Cape Canaveral, Florida, prior to launching the Apollo 10 lunar mision. Crewed by astronauts Eugene Cernan, John Young and Thomas Stafford, Apollo 10 succesfully completed a lunar orbital mision in May 1969 as the dres rehearsal for the actual Apollo 11 Moon landing, which took place two months later.