| Use a cat-o'-nine-tails | 27 |
| Use a butcher's block | 25 |
| Use a bow and arrow, maybe | 26 |
| Use a blowtorch on, perhaps | 27 |
| Use a block and tackle, e.g. | 28 |
| Use a block and tackle on | 25 |
| Use a block and tackle | 22 |
| Use a blender, in a way | 23 |
| USDA inspector, at times? | 25 |
| USB or FireWire plug-in spot | 28 |
| USÂ’ cold-war adversary | 26 |
| USAF rank above Senior Airman | 29 |
| USAF plane for short runways | 28 |
| USAF commissioning program | 26 |
| USAF coinage of '52 | 23 |
| Usable connector for oxen? | 26 |
| USA, during the Civil War | 25 |
| USA's largest labor union | 29 |
| USA ___ Pass (Amtrak deal) | 26 |
| USA rival in the Cold War | 25 |
| USA Patriot Act opponent | 24 |
| USA Patriot Act challenger | 26 |
| USA Network whodunit series | 27 |
| USA buddy detective show | 24 |
| US/Canada defense org. | 22 |
| US/Canada defense group | 23 |
| US-Canada defense grp. | 22 |
| US Women's Open organizer | 29 |
| US undercover operative | 23 |
| US trade pact since 1993 | 24 |
| US territory since 1898 | 23 |
| US Steel Corp. founder | 22 |
| US statesman ____ Stevenson | 27 |
| US stat in the trillions | 24 |
| US Special Forces home | 22 |
| US Senior Open sponsor | 22 |
| US Senate cable channel | 23 |
| US seaport founded 1626 | 23 |
| US poet John Godfrey ___ | 24 |
| US playwright and boxer | 23 |
| US painter and graphic artist | 29 |
| US Open winner of 1965 | 22 |
| US Open tennis stadium | 22 |
| US Open finalist of 1972 | 24 |
| US Military Academy site | 24 |
| Us magazine cover subject | 25 |
| US island in the Pacific | 24 |
| US hotel with the most rooms | 28 |
| US historian George F. ___ | 26 |
| US Grant's counterpart | 26 |
| US Grant once headed it | 23 |
| US gov't medical org. | 25 |
| US fur merchant 1763-1848 | 26 |
| US evangelist Billy ____ | 25 |
| US copyright law doctrine | 25 |
| US Constitution subject | 23 |
| US Chief Justice 1836-64 | 25 |
| US chain with 7,000+ stores | 27 |
| US broadcast debut of 1996 | 26 |
| US base in Cuba, informally | 27 |
| US base abroad, briefly | 23 |
| US Airways headquarters city | 28 |
| US Airways has one in Phoenix | 29 |
| US Airways datum: Abbr. | 23 |
| US Airways Center team | 22 |
| US Airways alternative | 22 |
| US acquisition of 1917 | 22 |
| US acquisition of 1898 | 22 |
| US accident investigator | 24 |
| Uruguayan essayist: 1871-1917 | 29 |
| Uruguay's ___ Plata | 23 |
| Uruguay's Punta del ___ | 27 |
| Uruguay's Punta del __ | 26 |
| Uruguay's Punta del -- | 26 |
| Urth, Verthandi or Skuld | 24 |
| Ursus ___ (brown bear) | 22 |
| Ursula of 'Dr. No' | 26 |
| Ursula Andress was the first | 28 |
| Ursula Andress starrer | 22 |
| Ursula Andress film: 1964 | 25 |
| Ursine females, in Ãvila | 27 |
| Urquhart Castle is on it | 24 |
| Urn composition, perhaps | 24 |
| URL-accessed periodical | 23 |
| URL shortening website | 22 |
| URL ending for many agencies | 28 |
| URL ending for colleges | 23 |
| URL ender for the ASPCA | 23 |
| URL ender for colleges | 22 |
| URL ender for a charity | 23 |
| Uris's "___ 18" | 29 |
| Uris's "__ 18" | 28 |
| Uris's "QB ___" | 29 |
| Uris's "QB __" | 28 |
| Uris' "___ 18" | 28 |
| Uris' "--- 18" | 28 |
| Uris' Battle ____ | 27 |
| Uris novel set in Palestine | 27 |
| Uris novel set in Ireland | 25 |
| Uris novel or Hitchcock film | 28 |