L. Gordon Cooper at Hangar SGordon Cooper, prime pilot for the Mercury-Atlas 9 mission, leaves Hanger S after completing the day's simulated flight tests.Image Credit: NASA Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/6-s63-03966/Copy URL to clipboard> DownloadShareTagsNASA HistoryProject MercuryImage CreditNASASize3756x2430px