Alan Shepard’s pressure suit testIn Hangar S at Cape Canaveral Air Force Station on May 5, 1961, NASA astronaut Alan B. Shepard Jr. participates in a test of his pressure suit prior to Mercury-Redstone 3 (MR-3), the first American manned spaceflight.Image Credit: NASA Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/a_shepard_suit_test/Copy URL to clipboard> DownloadShareTagsFormer AstronautsKennedy Space CenterNASA HistoryProject MercuryWebMod GrandfatheredImage CreditNASASize1041x816px