The Coast Artillery Corps was a branch of the United States Army responsible for coastal defense. Established in 1901, its primary mission was to protect harbors and coastal areas from naval attacks. The Corps operated various artillery pieces, including large coastal guns and anti-aircraft weapons, to safeguard strategic locations. During World War II, the Coast Artillery Corps played a crucial role in defending key installations and supporting ground forces. However, advancements in military technology, particularly in naval warfare, led to its disbandment in 1950. The Corps' legacy continues to influence modern coastal defense strategies and military operations.