Spaceflight to work on American missiles at what became the Army Ballistic Missile Agency. This work on missiles such as Juno I and Atlas enabled launch of the first US satellite Explorer 1 on February 1, 1958, and the first American in orbit, John Glenn in "Friendship 7" on February 20, 1962. As director of the Marshall Space Flight Center, Von Braun oversaw development of a larger class of rocket called Saturn, which allowed the US to send the first two humans, Neil Armstrong and Buzz Aldrin, to the Moon and back on Apollo 11 in July 1969. Over the same
Tank on the Moon feverish technological competition, popularly known as the space race, to be the first to land a human on the Moon. The United States won the race, but less is known about a "secret chapter" from the Cold War era. Overshadowed by the Apollo Moon landings and largely ignored in the West at the time, the Soviets were also exploring the Moon with a series of successful robotic Moon missions. The Soviets never sent humans to the Moon, but they successfully guided two freely-roving robots by remote control from the Earth. For 16 months between 1970 and 1973, these Lunokhods traveled