The document summarizes the Apollo 11 mission, the first manned mission to land astronauts on the moon. It describes the multi-piece rocket that was used, with the command and service modules orbiting the moon while the lunar module landed with astronauts Armstrong and Aldrin. On July 20, 1969, Armstrong became the first person to walk on the moon, famously saying "one small step for man, one giant leap for mankind." The astronauts collected moon samples and experiments before returning safely to Earth, where they were quarantined for 3 weeks before being hailed as heroes around the world for America's success in achieving the goal of landing astronauts on the moon.