Question: Who was the Fleet Admiral of the Unites States Navy that Typhoon of 1944 was named after?

full_context: Document 1: Admiral of the fleet: An admiral of the fleet or fleet admiral (sometimes also known as admiral of the navy or grand admiral) is a military naval officer of the highest rank. In many nations the rank is reserved for wartime or ceremonial appointments. It is usually a rank above admiral (which is now usually the highest rank in peace-time for officers in active service), and is often held by the most senior admiral of an entire naval service.
Document 2: William Halsey Jr.: William Frederick Halsey Jr., GBE (October 30, 1882August 16, 1959), known as Bill Halsey or "Bull" Halsey, was an American admiral in the United States Navy during World War II. He is one of the four individuals to have attained the rank of Fleet Admiral of the United States Navy.
Document 3: Chester W. Nimitz: Chester William Nimitz, Sr. ( ; February 24, 1885February 20, 1966) was a fleet admiral of the United States Navy. He played a major role in the naval history of World War II as Commander in Chief, United States Pacific Fleet (CinCPac) and Commander in Chief, Pacific Ocean Areas (CinCPOA), commanding Allied air, land, and sea forces during World War II.
Document 4: USS Halsey: Two ships of the United States Navy have been named USS "Halsey" in honor of Fleet Admiral William F. "Bull" Halsey (1882–1959), who served in the United States Navy during the First and Second World Wars. Both ships used guided missiles as their primary armament
Document 5: Typhoon Cobra: Typhoon Cobra, also known as the Typhoon of 1944 or Halsey's Typhoon (named after Admiral William 'Bull' Halsey), was the United States Navy designation for a tropical cyclone that struck the United States Pacific Fleet in December 1944 during World War II.
Document 6: Hershel W. Williams: Hershel Woodrow "Woody" Williams (born October 2, 1923) is a retired United States Marine who received the Medal of Honor for his actions in the Battle of Iwo Jima during World War II. He is the last surviving recipient of the Medal of Honor from that battle and the last surviving United States Marine to receive the Medal of Honor for heroism in World War II.
Document 7: John D. Bulkeley: John Duncan Bulkeley (19 August 1911 – 6 April 1996) was a Vice Admiral in United States Navy and was one of the most decorated naval officers. Bulkeley received the Medal of Honor for actions in the Pacific Theater during World War II. He was also the PT boat skipper who evacuated General Douglas MacArthur from Corregidor in the Philippines and commanded at the Battle of La Ciotat. The Navy named an "Arleigh Burke"-class guided missile destroyer after him:  , commissioned in 2001.
Document 8: Attack on Pearl Harbor: The attack on Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service against the United States naval base at Pearl Harbor, Hawaii Territory, on the morning of December 7, 1941. The attack, also known as the Battle of Pearl Harbor, led to the United States' entry into World War II. The Japanese military leadership referred to the attack as the Hawaii Operation and Operation AI, and as Operation Z during its planning.
Document 9: Jesse B. Oldendorf: Jesse Barrett "Oley" Oldendorf (16 February 1887 – 27 April 1974) was an admiral in the United States Navy, famous for defeating a Japanese force in the Battle of Leyte Gulf during World War II. He also served as commander of the American naval forces during the early phase of the Battle of the Caribbean. In early 1942, a secret group of senior Navy officers empaneled by President Franklin D. Roosevelt assessed him as one of the 40 most competent of the 120 flag officers in the Navy.
Document 10: Albert O. Vorse Jr.: Albert Ogden "Scoop" Vorse Jr. was an accomplished World War II naval ace who participated in some of the most prominent actions of the Pacific Theater, including the Battle of the Coral Sea and the Guadalcanal Campaign. Vorse served in early fighter squadrons with legendary figures like Butch O'Hare and Jimmy Thach. Rising in rank throughout the war, he would act as Executive Officer and Operations Officer in different squadrons before being given command of his own squadron, VF-80, the eponymous "Vorse's Vipers". Vorse ended the war as commander of Air Group 80 and ultimately achieved Rear Admiral status before his retirement from the U.S. Navy in 1959.
Document 11: William H. Buracker: William Houck Buracker (July 25, 1897 – March 7, 1977) was a Rear Admiral in the United States Navy who served as commanding officer of the USS "Princeton" during the Battle of Leyte Gulf, a member of the task force that carried out the Gilbert and Marshall Islands campaign, and was the operations officer for the carrier task force that transported planes for the Doolittle Raid. After leaving the Navy, Buracker worked as an engineer and was Massachusetts Commissioner of Public Works from 1947 to 1949.
Document 12: Fleet admiral (United States): Fleet admiral (abbreviated FADM), officially known as "Fleet Admiral of the United States Navy", is a five-star flag officer rank in the United States Navy. Fleet admiral ranks immediately above admiral and is equivalent to General of the Army and General of the Air Force. Although it is a current and authorized rank, no U.S. Navy officer presently holds it, with the last living U.S. Navy fleet admiral being Chester W. Nimitz, who died in 1966.
Document 13: Thomas C. Kinkaid: Thomas Cassin Kinkaid (3 April 1888 – 17 November 1972) served as an admiral in the United States Navy 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, largest naval battle of World War II and the last naval battle between battleships in history.
Document 14: William Edward Ellis: Vice admiral William Edward Ellis (November 7, 1908 – September 26, 1982) served over 40 years in the U.S. Navy. He ended his career as Chief of Staff to the Supreme Allied Commander Atlantic (SACLANT). Ellis first distinguished himself as a naval aviator during World War II, during which time he earned commendations for service in the North African Campaign and, later, valor awards for his leadership as Commander Air Group 18 aboard USS "Intrepid".
Document 15: Battle of Midway: The Battle of Midway was a decisive naval battle in the Pacific Theater of World War II which occurred between 4 and 7 June 1942, only six months after Japan's attack on Pearl Harbor and one month after the Battle of the Coral Sea. The United States Navy under Admirals Chester Nimitz, Frank Jack Fletcher, and Raymond A. Spruance defeated an attacking fleet of the Imperial Japanese Navy under Admirals Isoroku Yamamoto, Chuichi Nagumo, and Nobutake Kondo near Midway Atoll, inflicting devastating damage on the Japanese fleet that proved irreparable. Military historian John Keegan called it "the most stunning and decisive blow in the history of naval warfare."
ground_truth: William Frederick Halsey Jr.