Once both modules were known to function, Apollo 10 tested the equipment in the moon's orbit. During the eight-day mission beginning on May 18, 1969, Tom Stafford, commander, and Gene Cernan ...
Cmndr Walker, Cptn. Anderson and Lt. Col. Grey are assigned to a secret mission to the moon. Walker and Anderson land, while Grey stays in orbit. As they collect samples, they find footprints..