| U.S. Special Forces unit | 24 |
| U.S. spacecraft mission | 23 |
| U.S. space observatory | 22 |
| U.S. soldier, personified | 25 |
| U.S. soldier in W.W. II | 23 |
| U.S. Soc. of Sculptors site | 27 |
| U.S. slalom great Phil | 22 |
| U.S. Shaker sect founder | 24 |
| U.S. Senate alumnus Sam | 23 |
| U.S. security, for short | 24 |
| U.S. security, briefly | 22 |
| U.S. security offering | 22 |
| U.S. Security investment | 24 |
| U.S. Sec. of War: 1829-31 | 25 |
| U.S. Sec. of State: 1905-9 | 26 |
| U.S. seaport founded in 1626 | 28 |
| U.S. sculptor of 1800's | 27 |
| U.S. school near Juarez | 23 |
| U.S. savings certificate | 24 |
| U.S. rocket launched in 1961 | 28 |
| U.S. revolutionary Daniel ___ | 29 |
| U.S. retailer since 1902 | 24 |
| U.S. resident's peers | 25 |
| U.S. reconnaissance satellite | 29 |
| U.S. rebellion leader of 1842 | 29 |
| U.S. real estate deal: 1853 | 27 |
| U.S. ranch bird, nowadays | 25 |
| U.S. railroad, for short | 24 |
| U.S. radio station in Berlin | 28 |
| U.S. publishing family | 22 |
| U.S. publisher: 1858-1935 | 25 |
| U.S. public health agcy. | 24 |
| U.S. psychologist Arnold ___ | 28 |
| U.S. priest-poet: 1845-1909 | 27 |
| U.S. president, at times | 24 |
| U.S. president, 1909-13 | 23 |
| U.S. president, 1861-1865 | 25 |
| U.S. president, 1861 to 1865 | 28 |
| U.S. president's title | 26 |
| U.S. president's command | 28 |
| U.S. President William Howard | 29 |
| U.S. president after Grant | 26 |
| U.S. Pres., militarily | 22 |
| U.S. possession since 1898 | 26 |
| U.S. portrayer of flappers | 26 |
| U.S. port, or its locale | 24 |
| U.S. port of entry in Tex. | 26 |
| U.S. pollution controller | 25 |
| U.S. poet: 1899–1932 | 27 |
| U.S. poet: 1898–1943 | 27 |
| U.S. poet, ___ Lazarus | 22 |
| U.S. poet laureate _____ Dove | 29 |
| U.S. poet and baseball fan | 26 |
| U.S. playwright: 1904-61 | 24 |
| U.S. playwright's family | 28 |
| U.S. playwright Augustin | 24 |
| U.S. pianist of 1800's | 26 |
| U.S. physicist Alfred ___ | 25 |
| U.S. philosopher-essayist | 25 |
| U.S. pharmaceuticals overseer | 29 |
| U.S. patriotic display | 22 |
| U.S. Park Service employee | 26 |
| U.S. painter: 1871-1951 | 23 |
| U.S. painter Rembrandt | 22 |
| U.S. painter and family | 23 |
| U.S. Pacific territory | 22 |
| U.S. overseas radio agcy. | 25 |
| U.S. org. for minor traders | 27 |
| U.S. orator and family | 22 |
| U.S. or British mil. award | 26 |
| U.S. Open's ___ Stadium | 27 |
| U.S. Open winner: 1977 | 22 |
| U.S. Open winner: 1976 | 22 |
| U.S. Open winner: 1961 | 22 |
| U.S. Open winner: 1934 | 22 |
| U.S. Open winner in 1997 | 24 |
| U.S. Open tennis stadium | 24 |
| U.S. Open tennis champ: 1968 | 28 |
| U.S. Open tennis champ: 1966 | 28 |
| U.S. Open tennis champ: 1963 | 28 |
| U.S. Open stadium name | 22 |
| U.S. Open singles champ: 1972 | 29 |
| U.S. Open players, usually | 26 |
| U.S. Open park, for short | 25 |
| U.S. Open judge's shout | 27 |
| U.S. Open golf champion Ernie | 29 |
| U.S. Open golf champ: 1988-89 | 29 |
| U.S. Open golf champ: 1959 | 26 |
| U.S. Open golf champ: 1927 | 26 |
| U.S. Open champion: 1968 | 24 |
| U.S. Open champ, Arthur | 23 |
| U.S. Open champ, 1985-87 | 24 |
| U.S. Open champ Tony: 1936 | 26 |
| U.S. Olympic gymnast Chow | 25 |
| U.S. Olympic diver Louganis | 27 |
| U.S. Olympic champion, 1956 | 27 |
| U.S. offering to investors | 26 |
| U.S. novelist: 1815–82 | 29 |
| U.S. newcomer's course | 26 |
| U.S. Navy submarine builder | 27 |