
Image credit: NASA ARC
Image source: NASA Images

Image credit: NASA ARC
Image source: NASA Images





Image credit: Martin Marietta
File source: NASA NTRS


Image credit: Martin Marietta
File source: NASA NTRS






Image credit: Aeronutronic
File source: NASA NTRS















Image credit: NASA
Marshall Image source: NASA

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
Rocketdyne
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


Image credit: Martin