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 Space" (1890), which used an antigravity device similar to that in Chrysostom Trueman's "The History of a Voyage to the Moon" (1864). Both novels had certain elements in common, such as a globular spaceship built in secret after inventing a way to overcome Earth's gravity. Wells simply replied: "I have never heard of Mr Cromie nor of the book he attempts to advertise by insinuations of plagiarism on my part." Jules Verne was publicly hostile to Wells's novel mainly due to Wells having his characters go to the moon via a totally fictional creation of an anti-gravitational material rather than