S61-02775 (5 May 1961) --- Close-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 manned spaceflight. Photo credit: More
S62-00992 (1961) --- Mercury astronaut John Glenn looks into a Celestial Training Device (globe) during training in the Aeromedical Laboratory at Cape Canaveral, Florida.