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
Human spaceflight orbit on March 18, 1965. Frank Borman, Jim Lovell, and William Anders became the first humans to travel beyond low Earth orbit (LEO) Dec 21–27, 1968, when the Apollo 8 mission took them to 10 orbits around the Moon and back. Neil Armstrong and Buzz Aldrin became the first humans to land on the Moon on July 20, 1969. Svetlana Savitskaya became the first woman to walk in space on July 25, 1984. Sally Ride became the first American woman in space in 1983. Eileen Collins was the first female shuttle pilot, and with shuttle mission STS-93 in 1999 she