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The structural efficiency of the S-II stage, in terms of the weight and pressures taken by its extra-thin walls, was comparable only to the capacity of one of nature’s most refined examples of structural efficiency, the egg.
Saturn S-II Stage Diagram
Saturn S-II Stage Exploded View
Saturn S-II Cut-Away Drawing
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The primary objectives of the Surveyor program, were to support the Apollo landings by: (1) developing and validating the technology for landing softly on the Moon; (2) providing data on the compatibility of the Apollo design with conditions encountered on the lunar surface; and (3) adding to the scientific knowledge of the Moon.
Surveyor 3 with parts identified
Surveyor 4 launch
The northwest wall of the Surveyor 5 crater
Surveyor 6 on the plains of Sinus Medii
Photomosaic of a panorama taken by Surveyor 7
Apollo 12 Astronauts visit Surveyor 3
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A total of five Lunar Orbiter missions were launched by the US in 1966 through 1967. The purpose of the lunar orbiter series was to photograph the moon’s surface for selection and verification of safe landing sites for the Surveyor and Apollo missions.
The Lunar Orbiter
LO 2 Image of the Sea of Tranquility
LO 3 Image of the Tsiolkovskiy Crater
LO 4 image of the Davy Crater Chain
LO 5 Image of the Tycho impact crater
First Australian satellite called Wresat
Wresat assembly and testing
Wresat Launch
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“Dear friends, you who are close to me, and you whom I do not know, fellow Russians, and people of all countries and all continents: in a few minutes a powerful space vehicle will carry me into the distant realm of space. What can I tell you in these last minutes before the launch? My whole life appears to me as one beautiful moment. All that I previously lived through and did, was lived through and done for the sake of this moment.” Yuri Gagarin prior to launch of Vostok 1.
