Undersea agriculture. Deep sea mining. Human colonies on the ocean floor. These were the dreams of Capt. George Bond, a Navy medical officer. It was the age of exploration. While NASA made front-page headlines for its quest to send a man to the moon, Bond was quietly conducting groundbreaking experiments to see if humans could live and work on the ocean floor. As head of the Navy's "Man-In-The-Sea" program, Bond considered the ocean bottom humanity's next frontier.