Electrostatic ion-powered five-man spacecraft passing over Mars’ moon Phobos on the way to Mars. One of two “scout cars” will land on the tiny moon and rendezvous with the ship later.
Mars: Planet for Conquest
by Erik Bergaust
G.P Putnam’s Sons, 1967
Image source: Numbers Station
Complex space vehicles from Earth in orbit around Mars some time in the late 70’s, as visualized by today’s engineers.
The Next Fifty Years in Space
by Erik Bergaust
Macmillan, 1964
Image credit: Rocketdyne
Image source: Numbers Station
Eagle Book of Rockets and Space
by John W.R. Taylor and Maurice Allward
Longacre Press, 1961
Image credit: NASA
Image source: Numbers Station
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