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
2020s in spaceflight 2020s in spaceflight This article documents expected notable spaceflight events during the 2020s. In 2020, NASA plans to launch the Mars 2020 rover, as well as carry out the maiden launch of the Space Launch System; in 2022, NASA plans to carry out the first crewed flight of the Space Launch System. The trend towards cost reduction in access to orbit is expected to continue. In 2020, Blue Origin plans the maiden flight of New Glenn with a reusable first stage. In 2022, SpaceX plans to launch its new fully reusable BFR. NASA plans a return to the Moon sometime