The Mercury and Gemini missions begin the U.S. effort to land on the moon.

Apollo's first three astronauts are killed during a prelaunch test; the ship's designers scramble to save the lunar program.

As film crew documents everything, the crew and the control team make their preparations for the first manned Apollo launch.

NASA boldly attempts to fly men around the moon and back, while the United States suffers through traumatic events.

Engineers work with NASA and the Apollo 9 astronauts in designing and building a lunar spacecraft that will put the first humans on the moon

Neil Armstrong and Buzz Aldrin walk on the moon in the Apollo 11 mission.