my life. >> july 16th, 1969, showtime. >> you think about the countdown as the curtain opening, worry, the clouds, clear thinking, it's absolutely needed should something goes wrong. >> the launch, another dazzling pillar of fire was lost. the three-day, 240,000-mile trip from the earth to the moon without incident. >> we have a happy home. there's plenty of room for the three of us. >> then, four days into the mission came time to do what no astronaut had done before, decouple the lunar module from the command module and guide it safely to the moon. on their way down, armstrong and aldrin realize they were going long, beyond the landing zone, and into a boulder field. that's when armstrong took over, diverting from the planned