| U.S. gas brand of yore | 22 |
| U.S. gas brand | 14 |
| U.S. game bird | 14 |
| U.S. funder of biomedical research | 34 |
| U.S. frontiersman | 17 |
| U.S. fraud watchdog | 19 |
| U.S. four-dollar coin issued in 1879 | 36 |
| U.S. fort where gold is kept | 28 |
| U.S. foreign aid, mostly | 24 |
| U.S. force in Vietnam: abbr. | 28 |
| U.S. force in Europe | 20 |
| U.S. food retailer that reached its peak in the mid-1900s | 57 |
| U.S. food giant whose brands include Banquet and Chef Boyardee | 62 |
| U.S. folk song | 14 |
| U.S. folk singer | 16 |
| U.S. folk character | 19 |
| U.S. foe of old | 15 |
| U.S. foe of 1898 | 16 |
| U.S. flying unit | 16 |
| U.S. flying branch: Abbr. | 25 |
| U.S. flight org. | 16 |
| U.S. flight agency | 18 |
| U.S. flagpole sitter | 20 |
| U.S. flag designer: 1818 | 24 |
| U.S. financier-philanthropist: 1795–1873 | 47 |
| U.S. financier-philanthropist | 29 |
| U.S. financier Jay | 18 |
| U.S. financier and bon vivant | 29 |
| U.S. film executive | 19 |
| U.S. film critic-author | 23 |
| U.S. fighters | 13 |
| U.S. fighter plane | 18 |
| U.S. federal documents producer | 31 |
| U.S. fashion designer | 21 |
| U.S. farm-power org. | 20 |
| U.S. family of painters | 23 |
| U.S. facility in Cuba, for short | 32 |
| U.S. export | 11 |
| U.S. explorer in space | 22 |
| U.S. expansionists' dream | 29 |
| U.S. essayist | 13 |
| U.S. espionage org. | 19 |
| U.S. espionage gp. | 18 |
| U.S. equivalent to the U.K.'s Laurence Olivier Award | 56 |
| U.S. equivalent of Britain's MI6 | 36 |
| U.S. enlistees | 14 |
| U.S. engineer: 1820–87 | 29 |
| U.S. engineer | 13 |
| U.S. enforcer | 13 |
| U.S. energy complex | 19 |
| U.S. emissions controller | 25 |
| U.S. emblem | 11 |
| U.S. electrician and inventor | 29 |
| U.S. electrical scientist: 1850–1936 | 43 |
| U.S. electrical pioneer | 23 |
| U.S. electrical genius | 22 |
| U.S. election routine | 21 |
| U.S. election mo. | 17 |
| U.S. Election Day, e.g.: Abbr. | 30 |
| U.S. educator | 13 |
| U.S. editor: 1863–1930 | 29 |
| U.S. editor-publisher | 21 |
| U.S. editor Max | 15 |
| U.S. editor | 11 |
| U.S. economy gauge | 18 |
| U.S. economic yardstick | 23 |
| U.S. economic indicator: Abbr. | 30 |
| U.S. econ. stat | 15 |
| U.S. econ. indicator, once | 26 |
| U.S. econ. figure | 17 |
| U.S. eavesdropping org. | 23 |
| U.S. duck | 9 |
| U.S. druggists' org. | 24 |
| U.S. drug safety org. | 21 |
| U.S. dress designer | 19 |
| U.S. dramatist | 14 |
| U.S. drama critic | 17 |
| U.S. draft program | 18 |
| U.S. draft director | 19 |
| U.S. draft agcy. | 16 |
| U.S. doubles co-champ: 1976 | 27 |
| U.S. document publisher | 23 |
| U.S. document issuer | 20 |
| U.S. disease-prevention org. | 28 |
| U.S. disaster relief org. | 25 |
| U.S. disaster group | 19 |
| U.S. diplomat W. __ Harriman | 28 |
| U.S. diplomat Silas | 19 |
| U.S. designer | 13 |
| U.S. desert sight | 17 |
| U.S. dept. with a windmill on its seal | 38 |
| U.S. dept. with a sun on its seal | 33 |
| U.S. dept. with a Race to the Top reform prog. | 46 |
| U.S. dept. with a lightning bolt on its seal | 44 |
| U.S. Dept. of Justice raiders | 29 |
| U.S. dept. concerned with radioactive waste | 43 |
| U.S. dept. concerned with meat inspection | 41 |
| U.S. dept. | 10 |
| U.S. Department of Justice org. | 31 |
| U.S. department | 15 |