Savangwongse (1859–1928) (Honorary rank) 1917 – Prince Paribatra Sukhumbandhu (1881–1944) 1941 – Plaek Phibunsongkhram (1897–1964) (Honorary rank) 1956 – Prayoon Yuthasastrkosol (1905–1957) 1959 – Sarit Thanarat (1908–1963) (Honorary rank) 1964 – Thanom Kittikachorn (1911–2004) (Honorary rank) 1973 – Praphas Charusathien (1912–1997) (Honorary rank) 1992 – Queen Sirikit (born 1932) (Honorary rank) 1998 – Prince Mahidol Adulyadej (1892–1929) (Honorary rank awarded posthumously, previously served in the Royal Thai Navy as a captain) United Kingdom List of British admirals of the fleet United States 24 March 1903 (retroactive to 2 March, 1899) – George Dewey (1837–1917) 15 December 1944 – William D. Leahy (1875–1959) 17 December 1944 – Ernest King (1878–1956) 19 December 1944 – Chester W. Nimitz (1885–1966) 11 December 1945 – William Halsey Jr. (1882–1959) Yugoslavia 1983 – Branko Mamula (1921–2021) Footnotes Fleet