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
The First Men in the Moon he acknowledged "The First Men in The Moon" to be "the best of the sort [of science fiction] I have read..." (from a letter to Roger Lancelyn Green). The influence of Wells's book is especially visible in "Out of the Silent Planet", the first book of Lewis's "Space Trilogy". There, too, a central role in the story line is played by a partnership between a worldly businessman interested in the material gains from space travel (and specifically, in importing extraterrestrial gold to Earth) and a scientist with wider cosmic theories. Also in Lewis's book, the two quietly build themselves a