In August of 1838 the United States Exploring Expedition set sail from Norfolk Navy Yard with six ships and more than seven hundred crewmen, including technicians and scientists. Over the course of four years the expedition made stops on the east and west coasts of South America; visited Australia, New Zealand, Samoa, and Tahiti; discovered the Antarctic land mass; and explored the Fiji Islands, Tonga, the Hawaiian Islands, and the Pacific Coast of...