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Today in History: Mercury-Atlas 8 launched with astronaut Wally Schirra

10/3/2025

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Summary

Story summary

On October 3, 1962, NASA launched Mercury-Atlas 8, marking the fifth crewed U.S. space mission. Astronaut Wally Schirra orbited Earth six times in the Sigma 7 spacecraft during a nine-hour flight. This mission, focused on technical evaluation, was the longest U.S. crewed orbital flight at the time, confirming the spacecraft's durability ahead of future missions.

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Story summary

On October 3, 1962, NASA launched Mercury-Atlas 8, marking the fifth crewed U.S. space mission. Astronaut Wally Schirra orbited Earth six times in the Sigma 7 spacecraft during a nine-hour flight. This mission, focused on technical evaluation, was the longest U.S. crewed orbital flight at the time, confirming the spacecraft's durability ahead of future missions.