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
First Men to the Moon investigating the interior of the moon using seismograph-equipped solid propellant rockets. According to WorldCat, the book is in 413 libraries. Floyd C. Gale said that the fictional moon trip was "highly detailed and absorbing", and praised the "exceptional" illustrations. He concluded that "Even the best grounded SF buff will find new and astonishing material over which to dream". First Men to the Moon First Men to the Moon is a novel by rocketry expert Wernher von Braun, published in 1960. It tells the story of John Mason and Larry Carter, fictional astronauts traveling to the moon. Von Braun's book is