![Gordon Cooper holds his helmet as he completes simulated flight tests for his Mercury-Atlas 9 mission](https://www.nasa.gov/wp-content/uploads/2023/01/6-s63-03966.jpg)
L. Gordon Cooper at Hangar S
Gordon Cooper, prime pilot for the Mercury-Atlas 9 mission, leaves Hanger S after completing the day's simulated flight tests.
Image Credit: NASA
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https://www.nasa.gov/image-detail/6-s63-03966/
Image CreditNASA
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