
Image credit: Convair
Image source: Paul Carsola
How re-usable ROMBUS-type launch vehicles can be applied to construction of a temporary lunar base (Project Selena).
Frontiers of Space is peppered with artwork from Douglas, including paintings by Don Charles and James Finnell. In the book, this section was illustrated with (pretty poor) knock-offs. Why? Who knows? These were the masters.
Image credit: Douglas
Image source: SDASM Archives