SIGMA 7 ORBITAL CHART – Mercury Orbit Chart MOC-4. USAF Aeronautical Chart and Information Center for NASA, June 1962.
SIGMA 7 ORBITAL CHART – Mercury Orbit Chart MOC-4. USAF Aeronautical Chart and Information Center for NASA, June 1962.
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SIGMA 7 ORBITAL CHART – Mercury Orbit Chart MOC-4. USAF Aeronautical Chart and Information Center for NASA, June 1962.

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SIGMA 7 ORBITAL CHART – Mercury Orbit Chart MOC-4. USAF Aeronautical Chart and Information Center for NASA, June 1962.

Orbital chart on which Wally Schirra records his Sigma 7 launch and landing times, along with flight comments.

SIGNED and INSCRIBED by Wally SCHIRRA. All six orbits of the Mercury Atlas 8 flight are plotted with circles representing the ground coverage foot print of the Mercury world-wide tracking stations. Schirra has inscribed the date and time of his launch near the Cape Canaveral area of the chart with: "7:15 am, 3 Oct '62" and his flight time "9 hr 13m" close to the splashdown bull's eye close to Midway Island in the Pacific Ocean. Near the Canton Island site tracking circle in the western Pacific Ocean, Schirra comments on the performance of Sigma 7: "She is really performing like a jewel! CANTON Orbit #2, Wally Schirra."

Color Earth map, 8.5 by 33 inches.

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