The six orbits of Sigma 7
Subtitle: Walter M. Schirra's space flight, October 3, 1962.
Publisher: National Aeronautics and Space Administration, Manned Spacecraft Center
Published: 1963
Place of publication: [Washington]
Language: eng
Subjects: Schirra, Wally.; Project Mercury (U.S.)
Other titles: Walter M. Schirra's space flight, October 3, 1962.