In 1838, the U.S. government launched the largest discovery voyage the Western world had ever seen-6 sailing vessels and 346 men bound for the waters of the Pacific Ocean. Four years later, the U.S. Exploring Expedition, or Ex. Ex. as it was known, returned with an astounding array of accomplishments and discoveries: 87,000 miles logged, 280 Pacific islands surveyed, 4,000 zoological specimens collected, including 2,000 new species, and the discovery of the continent of Antarctica.
They’re on the shoulder of all military personnel: patches that symbolize what a soldier’s unit does. But what happens if it’s top secret?