S69-38677 (19 June 1969) --- Astronaut Neil A. Armstrong, Apollo 11 commander, participates in simulation training in preparation for the scheduled lunar landing mission. He is in the Apollo Lunar Module Mission Simulator in the Kennedy Space Center (KSC) Flight Crew Training Building. The other two crewmen of the historic flight are astronauts Michael Collins, command module pilot; and Edwin E. Aldrin Jr., lunar module pilot.