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

H-33 by Bud Parke

Image credit: Grumman
Image source: Mike Acs

532 Flyback Booster

Image credit: Grumman
File source: NASA NTRS

518 Flyback Booster

Image credit: Grumman
File source: NASA NTRS

Design 532

Image credit: Grumman
File source: NASA NTRS