Thomas Buchanan McGuire Jr. (August 1, 1920 – January 7, 1945) was an American United States Army major who was killed in action while serving as a member of the United States Army Air Forces during World War II and posthumously awarded the Medal of Honor. He was one of the most decorated American fighter pilots and the second highest scoring American ace of the war. McGuire was memorialized by the renaming of Fort Dix Army Air Force Base in Burlington County, New Jersey, to McGuire Air Force Base in 1948.