Booster Separation

Exploring Tomorrow in Space
Thomas Becker
Sterling, 1972

Image credit: Grumman
Image source: Numbers Station

Grumman/Boeing 2-Stage Concepts

Image credit: Grumman
Image source: Mike Acs

Lifting Body Research Vehicles

Image credit: Northrop
Image source: Numbers Station

619

Image credit: Grumman
Image source: Mike Acs

H-33 by Bud Parke

Image credit: Grumman
Image source: Mike Acs