Astronaut Alan ShepardClose-up view of astronaut Alan B. Shepard Jr. in his pressure suit, with helmet opened, for the Mercury-Redstone 3 (MR-3) flight, the first American human spaceflight.Image Credit: NASARead More Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/astronaut-alan-shepard/Copy URL to clipboard> DownloadShareImage CreditNASASize1041x1258px