The USS Pyro (AE-1) was an ammunition ship of the United States Navy, launched on 31 March 1944. It was designed to transport and supply munitions to naval forces, playing a crucial role during World War II. The ship was named after the term for a fire-related element, reflecting its purpose in supporting naval operations. After serving in the Pacific Theater, the USS Pyro was decommissioned in 1946. It was later transferred to the Military Sea Transportation Service and served in various capacities until it was finally struck from the Naval Register in 1971. The ship contributed significantly to the logistics of the U.S. Navy during its operational years.