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 by Mr. Tesla in America", has picked up fragments of radio communications from Cavor sent from inside the moon. During a period of relative freedom Cavor has taught two Selenites English and learned much about lunar society. Cavor's account explains that Selenites exist in thousands of forms and find fulfilment in carrying out the specific social function for which they have been brought up: specialisation is the essence of Selenite society. "With knowledge the Selenites grew and changed; mankind stored their knowledge about them and remained brutes—equipped," remarks the Grand Lunar, when he finally meets Cavor and hears about life