The USS Vulcan (AR-5) was a repair ship of the United States Navy, launched in 1943. Designed to provide maintenance and repair services to naval vessels, it played a crucial role during World War II and beyond. The ship was equipped with facilities for hull repairs, electrical work, and machine shop operations, enabling it to support fleet operations effectively. After serving in various theaters, including the Pacific Theater, the USS Vulcan was decommissioned in 1970. It was later sold for scrapping in 1973. The ship's contributions to naval logistics and support were significant during its years of service.