Image credit: Mark Avino
Image source: National Air & Space Museum
Grumman/Boeing
Category: GAC Phase B Double Prime
2-Stage Flyback Booster Concept
Image credit: Mark Avino
Image source: National Air & Space Museum
Grumman/Boeing Design
Image credit: Grumman
Image source: Cradle of Aviation Museum
Booster Release
Image credit: Grumman
Image source: Cradle of Aviation Museum
Grumman/Boeing
Image credit: Grumman
Image source: Cradle of Aviation Museum
