Artist’s Rendering

Image credit: North American Rockwell
Image source: Numbers Station

S70-26310

Just to illustrate just how utterly massive the R-134B would have been, take a look at this illustration from a report written by Jack Swigert for The Society of Experimental Test Pilots:

Image credit: NASA
Image source: Mike Acs

Mercury Space Capsule

Image credit: ABMA
Image source: Numbers Station

Do The Astro!

ASTRO — a manned reusable spacecraft concept developed by Douglas Aircraft.

PLAN AND ELEVATION views of ASTRO A2 vehicle. Note booster vehicle attachment at aft end.

Missiles and Rockets, September 3, 1962

Image credit: Douglas
Image source: Internet Archive

532 Flyback Booster

Image credit: Grumman
File source: NASA NTRS

Canard Booster

Imaged credit: NASA
File source: NASA NTRS