d) Enola Gay

The Enola Gay was the U.S. aircraft that dropped the first atomic bomb on Hiroshima, Japan, on August 6, 1945. This B-29 Superfortress bomber, piloted by Colonel Paul Tibbets, played a historic role in bringing about the end of World War II. The dropping of the atomic bomb marked a new era in warfare and had profound implications for international relations and the future of military technology.