Project Gemini technology and operations : a chronology
James M. Grimwood ;
Barton C. Hacker ;
Peter J. Vorzimmer
| [S.l.] : National Aeronautics and Space Administration
Gemini was one of the early pioneering efforts in the developing space capability of this nation. The most significant achievments of Gemini involved precision maneuvring in orbit and a major extension of the duration of manned space flights.