On Nov. 19, 1969, astronaut Alan L. Bean, lunar module pilot for the Apollo 12 mission, begins to step off the ladder of the lunar module to join astronaut Charles Conrad Jr., mission commander, in a spacewalk. Conrad and Bean descended in the Apollo 12 lunar module to explore the moon while astronaut Richard F. Gordon Jr., command module pilot, remained with the command and service modules in lunar orbit.
Image Credit: NASA