Photograph of Astronaut Virgil I. Grissom Preparing for Testing in the Centrifuge

Original caption: Being readied for testing in the U.S. Navy's centrifuge at Johnsville, Pennsylvania is Virgil I. Grissom, 35, one of three astronauts chosen for the first manned suborbital flight of Project Mercury, the National Aeronautics and Space Administration's manned space flight program.
Committee Papers