S61-04037 (1961) --- Astronaut Virgil I. (Gus) Grissom, pilot of the Mercury-Redstone 4 spaceflight, sits in a life raft during water egress training activies. Photo credit: NASA
S61-04037 (1961) --- Astronaut Virgil I. (Gus) Grissom, pilot of the Mercury-Redstone 4 spaceflight, sits in a life raft during water egress training activies. Photo credit: NASA