The details my expedition to find and recover Gus Grissom's Liberty Bell 7 Mercury spacecraft from 16,000 feet of water in the Atlantic Ocean. Also included are descriptions of Project Mercury, the inner workings of the Mercury spacecraft, development of underwater technology, and background on the astronaut, Virgil I. "Gus" Grissom who flew the spacecraft during America's second manned space mission on July 21, 1961.