| U.S. naval force in Japan | 25 |
| U.S. naval base until 1951 | 26 |
| U.S. naval base in Spain | 24 |
| U.S. Naval Academy freshman | 27 |
| U.S. naturalist: 1838-1914 | 26 |
| U.S. naturalist and writer | 26 |
| U.S. motorists' club | 24 |
| U.S. mortgage guarantor | 23 |
| U.S. mo. without a holiday | 26 |
| U.S. Mint bullion coin | 22 |
| U.S. military decoration | 24 |
| U.S. medicine regulator | 23 |
| U.S. medical research agcy. | 27 |
| U.S. maritime spy agcy. | 23 |
| U.S. legal-defense group | 24 |
| U.S. landscape painter | 22 |
| U.S. labor leader Eugene | 24 |
| U.S. jurist: 1856–1941 | 29 |
| U.S. island of entry, once | 26 |
| U.S. island near U.S.S.R. | 25 |
| U.S. island in the Pacific | 26 |
| U.S. investment instrument | 26 |
| U.S. inventor Pliny ___ | 23 |
| U.S. inventor Elisha ___ | 24 |
| U.S. invasion site of 1983 | 26 |
| U.S. intelligence org. | 22 |
| U.S. inst., New London, Conn. | 29 |
| U.S. industrialist: 1883-1979 | 29 |
| U.S. immigrants' subj. | 26 |
| U.S. immigrant's subj. | 26 |
| U.S. immigrant's class | 26 |
| U.S. humorist: 1850–96 | 29 |
| U.S. humorist and family | 24 |
| U.S. humane org. since 1866 | 27 |
| U.S. historian: 1840-1914 | 25 |
| U.S. historian ___ Marshall | 27 |
| U.S. historian George F. ___ | 28 |
| U.S. high jumper Acuff | 22 |
| U.S. health promoter: Abbr. | 27 |
| U.S. green card distributor | 27 |
| U.S. Grant's home state | 27 |
| U.S. Grant's adversary | 26 |
| U.S. govt. broadcaster | 22 |
| U.S. govt. broadcast service | 28 |
| U.S. general's command | 26 |
| U.S. general and tennis ace | 27 |
| U.S. gas brand of yore | 22 |
| U.S. fort where gold is kept | 28 |
| U.S. foreign aid, mostly | 24 |
| U.S. force in Vietnam: abbr. | 28 |
| U.S. flying branch: Abbr. | 25 |
| U.S. flag designer: 1818 | 24 |
| U.S. financier-philanthropist | 29 |
| U.S. financier and bon vivant | 29 |
| U.S. film critic-author | 23 |
| U.S. family of painters | 23 |
| U.S. explorer in space | 22 |
| U.S. expansionists' dream | 29 |
| U.S. engineer: 1820–87 | 29 |
| U.S. emissions controller | 25 |
| U.S. electrician and inventor | 29 |
| U.S. electrical pioneer | 23 |
| U.S. electrical genius | 22 |
| U.S. editor: 1863–1930 | 29 |
| U.S. economic yardstick | 23 |
| U.S. econ. indicator, once | 26 |
| U.S. eavesdropping org. | 23 |
| U.S. druggists' org. | 24 |
| U.S. doubles co-champ: 1976 | 27 |
| U.S. document publisher | 23 |
| U.S. disease-prevention org. | 28 |
| U.S. disaster relief org. | 25 |
| U.S. diplomat W. __ Harriman | 28 |
| U.S. Dept. of Justice raiders | 29 |
| U.S. defense strategizer | 24 |
| U.S. Davis Cup captain | 22 |
| U.S. critic-poet: 1899-1979 | 27 |
| U.S. cousin of the BBC | 22 |
| U.S. cosmetics overseer | 23 |
| U.S. conductor-composer | 23 |
| U.S. composer: 1896-1985 | 24 |
| U.S. composer: 1874-1954 | 24 |
| U.S. composer Roger ___ | 23 |
| U.S. composer Ethelbert | 23 |
| U.S. composer Charles ___ | 25 |
| U.S. composer and family | 24 |
| U.S. commerce watchdog | 22 |
| U.S. colony, symbolically | 25 |
| U.S. coin motto starter | 23 |
| U.S. code and cipher grp. | 25 |
| U.S. Coast Guard woman | 22 |
| U.S. claim-settling dept. | 25 |
| U.S. Civil War starting point | 29 |
| U.S. civil rights promoter | 26 |
| U.S. citizen since 1845 | 23 |
| U.S. chief justice, 1953-69 | 27 |
| U.S. Chief Justice, 1936-65 | 27 |
| U.S. chief justice 1836-64 | 27 |
| U.S. chain-store pioneer | 24 |
| U.S. chain stores since 1985 | 28 |