[SIGMA 7]. Results of the Third United States Manned Orbital Space Flight, October 3, 1962. NASA SP-12, GPO, Washington, D.C., 1962. 4o. Original blue wrappers. Flight results include capsule systems performance, mission operations, aeromedical analysis, and pilot's report by Wally Schirra. With a complete flight communications transcript. -- The Six Orbits of Sigma 7, Walter M. Schirra's Space Flight. NASA, GOP, 1963. 8o. Original blue wrappers. Flight summary and dozens of captioned photos of Schirra during training, his family, the launch day activities, launch, mission control, splashdown, and post-flight activities. -- MA-8 Tracking and Communications Networks. NASA/GSFC, 1962. Approx. 27 x 22 in., pre-folded. Illustrates various ground station sites and the locations along the MA-8 orbital ground track. Describes mission phases associated with the Goddard Space Flight Center (GSFC) and plots links between ground stations on a second global map. EACH INSCRIBED WITH "SIGMA 7" SIGNED BY SCHIRRA. (3)