<Ul> <Li> Carl Spaatz, class of 1914 . 1st USAF Chief of Staff (1947--1948) </Li> <Li> Nathan Farragut Twining, class of 1918 . 3rd USAF Chief of Staff (1953--1957) </Li> <Li> Thomas D. White, class of 1920 . 4th USAF Chief of Staff (1957--1961) </Li> <Li> John P. McConnell, class of 1932 . 6th USAF Chief of Staff (1965--1969) </Li> <Li> John Dale Ryan, class of 1938 . 7th USAF Chief of Staff (1969--1973) </Li> <Li> George Scratchley Brown, class of 1941, USAF Chief of Staff (1973--1974) </Li> <Li> Lew Allen, class of 1946 . 10th USAF Chief of Staff (1978--1982) </Li> <Li> Charles A. Gabriel, class of 1950 . 11th USAF Chief of Staff (1982--1986) </Li> <Li> Michael Dugan, class of 1958 . 13th USAF Chief of Staff (1990) </Li> </Ul> <Li> Carl Spaatz, class of 1914 . 1st USAF Chief of Staff (1947--1948) </Li> <Li> Nathan Farragut Twining, class of 1918 . 3rd USAF Chief of Staff (1953--1957) </Li> <Li> Thomas D. White, class of 1920 . 4th USAF Chief of Staff (1957--1961) </Li>

Who served in the us army from 1827 to 1829