255-GRC-1961-C-58453

Description: ELECTRIC SPACE VEHICLE MODEL FOR 8 MAN MARS EXPEDITION

Image credit: NASA LRC
Image source: National Archives

Edwards AFB

Image credit: USAF
Image source: AFMC 

Initial Flight Testing

Image credit: USAF
Image source: AFMC 

Atlas Space Station

Image credit: Convair
Image source: SDASM Archives