In 1963, the Air Force annouced it was developing a program to increase the Defense Department efforts to determine military usefulness in space. This program was called MOL (Manned Orbiting Laboratory). The program also held a highly classified component called "Dorian," managed by the National Reconnaissance Office. When the NRO declassified all its files on the Dorian and MOL programs in 2015, five astronauts (James Abrahamson, Karol Bobko, Albert Crews, Bob Crippen, and Richard Truly) and the program's technical director, Michael Yarymovych, shared their experiences and insight of being trained to be America's spies in space during the Cold War.

* the most accurate and comprehensive work on U.S. spacesuits ever published. *A unique insight into the development of US spacesuits through to the present day. * Presents in context the authors’ unique collection of 172 black and white photographs. * Explains why spacesuits are a last refuge for astronauts for survival. * Details many technically and historically interesting developments, but which never achieved fruition.