First stop to the United States: Pearl Harbor. Located in the southwest of Oahu Island, Hawaii, it is the largest natural harbor in Hawaii, surrounded by mountains on three sides and facing the sea on one side. Historically, it is well known that during World War II, the Japanese launched military raids in Pearl Harbor, causing heavy casualties in the United States, and the Pacific War broke out. The attack eventually involved the United States in World War II. These histories are now displayed in Pearl Harbor. The United States government has designated Pearl Harbor as a base for patriotic education. Tourist guides in the scenic area are volunteers, including many disabled veterans.