- U.S. humorist Finley Peter ___
- U.S. hwy
- U.S. hwy., e.g.
- U.S. hwys., e.g.
- U.S. ICBM
- U.S. ID
- U.S. ID issuer
- U.S. immigrant's subj.
- U.S. immigrants course'
- U.S. intelligence org.
- U.S. interstate, e.g.
- U.S. investigators
- U.S. investment instrument
- U.S. IOUs
- U.S. island east of the Philippines
- U.S. island of entry, once
- U.S. island owned almost entirely by billionaire Larry Ellison
- U.S. island with a royal palace
- U.S. labor leader Eugene
- U.S. lake
- U.S. lang.
- U.S. laundry soap since 1918
- U.S. leader
- U.S. leader #44
- U.S. legal tender
- U.S. legislative body
- U.S. legislative building
- U.S. legislator with a six-yr. term
- U.S. lexicographer
- U.S. Library of Medicine maintainer
- U.S. locale of the International Peace Garden
- U.S. mail carrier's beat
- U.S. mail holders
- U.S. manufacturer founded as a communications co. in 1920
- U.S. Marine
- U.S. Marine Band leader, 1880-92
- U.S. Marine Corps E-6
- U.S. Marine with a single stripe
- U.S. maritime agcy.
- U.S. med. research ctr.
- U.S. media watchdog
- U.S. medical grp.
- U.S. medical research agcy.
- U.S. medicine regulator
- U.S. mil. award since 1918
- U.S. mil. medal
- U.S. military aircraft
- U.S. military chopper
- U.S. military decoration
- U.S. military planes
- U.S. military vet
- U.S. Mint bullion coin
- U.S. Mint employee
- U.S. Mint employees' newspaper?
- U.S. mint?
- U.S. missile
- U.S. missile, 1965
- U.S. mo. without a holiday
- U.S. money to the right of a decimal point
- U.S. moon-landing program
- U.S. motor capital
- U.S. motorists' club
- U.S. motto word
- U.S. national anthem's contraction
- U.S. National Anthem's fifth word
- U.S. national flower
- U.S. national symbol
- U.S. native
- U.S. native (abbr.)
- U.S. natives
- U.S. Naval Academy anthem
- U.S. Naval Academy freshman
- U.S. Naval Academy mascot
- U.S. naval base until 1951
- U.S. Naval Observatory residents
- U.S. Naval Observatory's precise info
- U.S. Navy bigwig
- U.S. Navy builder
- U.S. Navy O-1: Abbr.
- U.S. Navy off.
- U.S. Navy officer
- U.S. Navy officer who smokes a water pipe?
- U.S. Navy officers
- U.S. Navy's mascot
- U.S. neighbor
- U.S. neighbor to the north
- U.S. newcomer's course
- U.S. newcomer's course, perhaps
- U.S. newcomer's language course, perhaps
- U.S. News or YM
- U.S. News rates their programs
- U.S. news source since 1942
- U.S. notable
- U.S. nuclear sub
- U.S. number-issuing agcy.
- U.S. occupation target in 2014's "RoboCop"
- U.s. offering to investors
- U.S. official whose office has been vacant for more than nine of the last 50 years
- U.S. oil company
- U.S. Olympic gymnast Chow
- U.S. Open 1955 winner
- U.S. Open airer
- U.S. Open category
- U.S. Open champ before and after Pete
- U.S. Open champ Ernie
- U.S. Open champ in '94 and '97
- U.S. open champ Murray
- U.S. Open champ, 1968
- U.S. Open champ, 1985-87
- U.S. Open champ, Arthur
- U.S. Open champion Murray
- U.S. Open component
- U.S. Open entrant
- U.S. Open golf champ: 1959
- U.S. Open judge's shout
- U.S. Open match component
- U.S. Open org.
- U.S. Open prop
- U.S. Open stadium
- U.S. Open stadium name
- U.S. Open tennis champion of 2018 and 2020
- U.S. Open tennis finalist eight straight years
- U.S. Open tennis stadium
- U.S. Open winner Els
- U.S. Open winner in 1997
- U.S. Open winner, 1994 and 1997
- U.S. Open, e.g.
- U.S. Open's ___ Stadium
- U.S. operative
- U.S. or British mil. award
- U.S. or Can. money
- U.S. org. chaired by the president
- U.S. org. hidden in two U.S. state names
- U.S. org. with over 39 million members
- U.S. org. with quarantine authority
- U.S. Pacific atoll
- U.S. Pacific island
- U.S. Pacific possession
- U.S. Pacific territory
- U.S. painter Jasper
- U.S. painter: 1871-1951
- U.S. patriotic display
- U.S. pet protector
- U.S. pharmaceuticals overseer
- U.S. pharmaceuticals regulator
- U.S. pint's 16
- U.S. place with a royal palace
- U.S. Poet Laureate Joy
- U.S. political party
- U.S. pollution controller
- U.S. Polo ___
- U.S. port, or its locale
- U.S. possession since 1898
- U.S. Postal Service symbol
- U.S. president #2
- U.S. president and also chief justice
- U.S. president and chief justice
- U.S. president between James and Millard
- U.S. president during the Mexican War
- U.S. president who becomes the president of future Earth on "Futurama"
- U.S. president who sired 15 children
- U.S. president who was once president of the Harvard Law Review
- U.S. president whose mother's first name was Stanley
- U.S. President William Howard
- U.S. president with a Nobel Peace Prize
- U.S. president with the most southerly birthplace
- U.S. president, 1861 to 1865
- U.S. president, 1861-1865
- U.S. president, 1909-13
- U.S. president, at times
- U.S. President's command
- U.S. Presidents, so far
- U.S. prez with Mamie
- U.S. prez, militarily
- U.S. property manager
- U.S. provider of benefits
- U.S. public health agcy.
- U.S. publications grp.
- U.S. purchase of 1867
- U.S. radio station whose call letters spell the name of its city
- U.S. rail service
- U.S. ranch bird, nowadays
- U.S. record label since 1934
- U.S. record label, 1974-2011
- U.S. region suggested by the first parts of 17-, 31- and 46-Across
- U.S. regulating org. with a wing in its logo
- U.S. research org.
- U.S. resident's peer group
- U.S. resort lake
- U.S. retailer since 1902
- U.S. river or state
- U.S. rocket launchers
- U.S. rocket letters
- U.S. rocket with a name from classical myth
- U.S. rocket with a name from Greek myth
- U.S. sch. near the Mexico border
- U.S. seaport founded in 1626
- U.S. secretary of state tied for the second-longest time in office
- U.S. security
- U.S. security offering
- U.S. security, for short
- U.S. ship transmuted
- U.S. skater David ___
- U.S. snoop gp.
- U.S. snooper grp.
- U.S. soccer great Mia
- U.S. soccer legend ___ Howard
- U.S. soldier
- U.S. soldier + Little scurriers
- U.S. soldier in W.W. II
- U.S. soldiers
- U.S. soldiers, in slang
- U.S. Space Camp setting
- U.S. spook agcy.
- U.S. sports org. with many prominent Korean champions
- U.S. spy agency
- U.S. spy gp.
- U.S. spy group
- U.S. spy grp.
- U.S. spy org.
- U.S. Star Wars program
- U.S. state
- U.S. state capital
- U.S. state closest to Russia
- U.S. state closest to the International Date Line
- U.S. state since 1890
- U.S. state that comes first alphabetically: Abbr.
- U.S. state where prostitution is partly legal
- U.S. state with its own elec. power grid
- U.S. state with the lowest average annual rainfall
- U.S. state with the oldest capital city
- U.S. state with three counties
- U.S. station name retired in 1972
- U.S. Steel founder
- U.S. Steel was once its biggest employer
- U.S. swimming star Janet
- U.S. symbol
- U.S. symbol of freedom
- U.S. symbol?
- U.S. symbols
- U.S. tax month
- U.S. taxpayer's dread
- U.S. tennis legend on a 37¢ stamp
- U.S. tennis player Oudin
- U.S. tennis star barred from South Africa
- U.S. term for a British "saloon"
- U.S. terr. that's now two states
- U.S. terr., 1861-89
- U.S. territory divided in 1889
- U.S. territory in Kim invectives