From Mike Acs

Image credit: NASA
Image source: Mike Acs

17476453

Image credit: NASA
Image source: National Archives

619

Image credit: Grumman
Image source: Mike Acs

H-33 by Bud Parke

Image credit: Grumman
Image source: Mike Acs

Program Objectives

original slide:

Image credit: NASA
Image source: Mike Acs

Venture Star

Image credit: NASA DFRC
Image source: NASA Images

The Drawbridge

Image credit: McDonnell Douglas
Image source: Mike Acs

STS Mission Profile

Image credit: NASA
Image source: Mike Acs

Boeing Winged Booster

Image credit: North American Aviation
Image source: AFMC 

Alden Metcalf

Dyna-Soar in space was never to be, for the program was canceled in December 1963. One of reasons was the development of a new type of aerospace plane, the lifting body.

Orbiting Stations: Stopovers to Space Travel
Irwin Stambler
G.P. Putnam’s Sons, 1965

Image credit: Boeing
Image source: Numbers Station