
Image credit: North American
Image source: Paul Carsola

Image credit: North American
Image source: Paul Carsola

Dyna-Soar in space was never to be, for the program was canceled in December 1963. One of reasons was the development of a new type of aerospace plane, the lifting body.
Orbiting Stations: Stopovers to Space Travel
Irwin Stambler
G.P. Putnam’s Sons, 1965
Image credit: Boeing
Image source: Numbers Station

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

Image credit: NASA
Image source: Mike Acs

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: NASA
Image source: Mike Acs


Image credit: USAF
Image source: AFMC