Thomas Cassin Kinkaid was an admiral in the United States Navy, known for his service during World War II. He built a reputation as a "fighting admiral" in the aircraft carrier battles of 1942 and commanded the Allied forces in the Aleutian Islands Campaign. He was Commander Allied Naval Forces and the Seventh Fleet under General of the Army Douglas MacArthur in the Southwest Pacific Area, where he conducted numerous amphibious operations, and commanded an Allied fleet during the Battle of Leyte Gulf, the largest naval battle of World War II and the last naval battle between battleships in history.
Born into a naval family, Kinkaid was ranked in the lower half of his class on his graduation from the United States Naval Academy in June 1908. His early commissioned service was spent aboard battleships. In 1913, he began instruction in ordnance engineering and served in that field for many years. He saw action during the 1916 United States occupation of the Dominican Republic. During World War I, he was attached to the Royal Navy before serving as Gunnery Officer aboard the battleship USS Arizona. After the war, he was Assistant Chief of Staff to the Commander U.S.