WWII Admiral is a term used to refer to two of the most prominent naval commanders of World War II, Admiral Chester W. Nimitz and Admiral William F. Halsey. Nimitz was an American fleet admiral who served as Commander in Chief of the U.S. Pacific Fleet during World War II. He was responsible for planning and executing the Allied victory in the Pacific Theater. Halsey was an American admiral who commanded the U.S. Third Fleet during World War II. He was known for his aggressive tactics and earned the nickname 'BULL' Halsey. Both Nimitz and Halsey were highly decorated for their service and are remembered as two of the most important naval commanders of World War II.