Design 532

Shuttle Program at Astronautix

Grumman & Boeing Phase B at PM View

Image credit: Grumman

Image source: NASA NTRS

Design 518

Shuttle Program at Astronautix

Grumman & Boeing Phase B at PM View

Image credit: Grumman

Image source: NASA NTRS

Outpost Model w/ Model

Convair Outpost at Astronautix

Image credit: Convair

Image source: SDASM Archives