Documents the life and career of astronaut Gus Grissom. Describes his childhood in Indiana, his service as a combat pilot in the Korean War, and his many missions as a NASA astronaut. Explains Grissom's role in the Mercury, Liberty Bell 7, Gemini, and Apollo space programs. Chronicles his near-drowning on Mercury, his near-fatal flight on Liberty Bell 7, and his eventual death in an Apollo fire accident.