| U.S. Cellular Field team | 24 |
| U.S. Capitol's vicinity | 27 |
| U.S. Capitol Building area | 26 |
| U.S. capital and environs | 25 |
| U.S. Cabinet divisions | 22 |
| U.S. Cabinet department | 23 |
| U.S. business economist | 23 |
| U.S. broadcaster overseas | 25 |
| U.S. Brig Niagara's port | 28 |
| U.S. brand retired in 1972 | 26 |
| U.S. bond market purchase | 25 |
| U.S. beverage since 1923 | 24 |
| U.S. base in Cuba, informally | 29 |
| U.S. base in Cuba, briefly | 26 |
| U.S. ballistic missile | 22 |
| U.S. author: 1909–55 | 27 |
| U.S. author and family | 22 |
| U.S. atty. gen. in 1962 | 23 |
| U.S. attack helicopter | 22 |
| U.S. athlete: 1888-1953 | 23 |
| U.S. artificial satellite | 25 |
| U.S. Army Web-site ending | 25 |
| U.S. Army training branch | 25 |
| U.S. army post in Kentucky | 26 |
| U.S. Army Corps member | 22 |
| U.S. Army award: Abbr. | 22 |
| U.S. Army attack helicopter | 27 |
| U.S. architects' org. | 25 |
| U.S. anti-trafficking grp. | 26 |
| U.S. anthem-starting words | 26 |
| U.S. anthem contraction | 23 |
| U.S. Ambassador in Moscow | 25 |
| U.S. ally since '48 | 23 |
| U.S. alien's subj. | 22 |
| U.S. Airways competitor | 23 |
| U.S. airport regulator | 22 |
| U.S. air-to-air missiles | 24 |
| U.S. air-to-air missile | 23 |
| U.S. air-safety overseer | 24 |
| U.S. air pollution monitor | 26 |
| U.S. air base in Spain | 22 |
| U.S. agricultural agcy. | 23 |
| U.S. agency in the news | 23 |
| U.S. agcy.: 1948–51 | 26 |
| U.S. agcy., 1948–51 | 26 |
| U.S. adversary in 1812 | 22 |
| U.S. admiral of W. W. I | 23 |
| U.S. actress: 1865-1932 | 23 |
| U.S. accident investigator | 26 |
| U.S. abolitionist: 1805-79 | 26 |
| U.S. 101, e.g. (Abbr.) | 22 |
| U.S. 101 locale: Abbr. | 22 |
| U.S. 1, for one: Abbr. | 22 |
| U.S. 1 and others: Abbr. | 24 |
| U.S. $10 coin, until 1933 | 25 |
| U.P.S. staffer, at times | 24 |
| U.P.S. drivers have them | 24 |
| U.P.S. delivery: Abbr. | 22 |
| U.P.S. deliveries: Abbr. | 24 |
| U.N.H.C.R. assists them | 23 |
| U.N.C.'s athletic org. | 26 |
| U.N.-created land: Abbr. | 24 |
| U.N.'s Trygve and kin | 25 |
| U.N.'s Hammarskjold | 23 |
| U.N. working-conditions agcy. | 29 |
| U.N. workers' rights grp. | 29 |
| U.N. workers' org. | 22 |
| U.N. workers' grp. | 22 |
| U.N. workers' group | 23 |
| U.N. workers' assn. | 23 |
| U.N. workers' agency | 24 |
| U.N. workers' agcy. | 23 |
| U.N. workers rights' gp. | 28 |
| U.N. worker's agency | 24 |
| U.N. worker protection grp. | 27 |
| U.N. worker protection gp. | 26 |
| U.N. vetoer's word | 22 |
| U.N. Security Council member | 28 |
| U.N. rap added rapidly | 22 |
| U.N. observer since '74 | 27 |
| U.N. Messenger of Peace | 23 |
| U.N. member until 1991 | 22 |
| U.N. member through 1991 | 24 |
| U.N. member since 1992 | 22 |
| U.N. member since 1991 | 22 |
| U.N. member since 1990 | 22 |
| U.N. member since 1948 | 22 |
| U.N. member since '49 | 25 |
| U.N. license-plate initials | 27 |
| U.N. intervention site | 22 |
| U.N. chief ___ Ki-moon | 22 |
| U.N. anti-child-labor agcy. | 27 |
| U.N. ambassador under Reagan | 28 |
| U.N. ambassador Stevenson | 25 |
| U.N. agency for workers | 23 |
| U.N. agcy. for working people | 29 |
| U.N. agcy. for workers | 22 |
| U.N. agcy. dealing with jobs | 28 |
| U.M.W. man's access | 23 |
| U.K.-based luxury automaker | 27 |