There is a total of 30855 clues beginning with u
- US river or state
- US rocket
- US rocket launched in 1961
- US rocket letters
- US rocket stage
- US rocket with a name from classical myth
- US rocket with a name from Greek myth
- US rocket
- US Safeguard Program features
- US satellite
- US satellite launcher
- US satellite of the '60s
- US satellite
- US savings certificate
- US sch near the Mexico border
- US scholastic org
- US scientific satellite of the 60's
- US sculptor
- US sculptor of 1800's
- US sculptor: 1898–1976
- US sea arm
- US sea-rescue group
- US seaboard
- US seaport founded in 1626
- US Sec of State: 1905-9
- US Sec of War: 1829-31
- US Secretary of State (1961-1969)
- US secretary of state awarded the 1929 Nobel Peace Prize
- US secretary of state raised in the Bronx
- US secretary of state tied for the second-longest time in office
- US Secretary of State: 1898–1905
- US security
- US Security investment
- US security offering
- US security, briefly
- US Senate alumnus Sam
- US Senate's place
- US senator
- US senator assassinated in 1935
- US senator from 1989 to 2007
- US Senator from NC: 1954-74
- US Senator from New Jersey, 1911–17
- US senator whose first and last names both end in a set of double letters
- US senator whose surname contains three sets of double letters
- US senator with a palindromic name
- US senator with the longest tenure in history
- US senator's salary, eg
- US senator, 1961-97
- US senator, 1974-93
- US Senator, Claiborne ____
- US serviceman whose tomb is always guarded
- US servicewoman
- US Shaker sect founder
- US ship transmuted
- US shrine
- US skater David ___
- US ski champ
- US sky eye
- US slalom ace
- US slalom great Phil
- US slalom greats
- US snooper grp
- US soccer great Mia
- US soccer legend Wambach
- US soccer legend ___ Howard
- US soccer notable
- US soccer player Landon
- US soccer player who scored an own goal versus Portugal
- US soccer player with 158 international goals
- US soccer star Mathis et al
- US soldier + Little scurriers
- US soldier in WW II
- US soldier, personified
- US soldiers
- US soldiers, in slang
- US soprano Gluck
- US space booster
- US space observatory
- US space probe
- US space project
- US space shuttle
- US space station
- US space vehicles
- US spacecraft
- US spacecraft mission
- US Special Forces unit
- US special investigator
- US sports org
- US sports org with many prominent Korean champions
- US spy agency
- US spy gp
- US spy group
- US spy grp
- US spy org
- US spy satellite
- US stage name
- US Star Wars program
- US state
- US state capital with 13,000 people
- US state closest to Russia