S69-58881 (14 Nov. 1969) --- The three Apollo 12 crew men leave the Kennedy Space Center's (KSC) Manned Spacecraft Operations Building (MSOB) during the Apollo 12 prelaunch countdown. Leading is astronaut Charles Conrad Jr., commander; followed by astronauts Richard F. Gordon Jr., command module pilot; and Alan L. Bean, lunar module pilot. They rode a special transport van over the Pad A, Launch Complex 39, where their spacecraft awaited. The Apollo 12 liftoff occurred at 11:22 a.m. (EST), Nov. 14, 1969. Apollo 12 is the United States' second lunar landing mission.