U
UCC - Unified Combatant Commands
UCC - Uniform Commercial Code (model legal code adopted by many states dealing with commercial contracts and standardized methods of conducting transactions)
USA - United States Army (military service branch involved in land combat and warfare)
USAAF - United States Army Air Force (name for the aviation wing of the US Army during World War II prior to its becoming a separate military branch - the United States Air Force)
USACE - United States Army Corps of Engineers (branch of the U.S. Army which provides building and construction services, such as runways and roads)
USAF - United States Air Force (military branch of the U.S. military which provides air and aviation services, often in support of military operations of other branches)
USAFCOM - United States Africa Command (military command body responsible for military operations in Africa)
USAFRC - United States Air Force Reserve Command (division of the United States Air Force which oversees operations of the Air Force Reserve forces)
USAGM - United States Agency for Global Media (agency dealing with media promotion of the U.S. and promoting public relations)
USAID - United States Agency for International Development (agency which oversees aid and development projects worldwide)
USARC - United States Arctic Research Commission (agency which oversees research projects and provides funding for research in the Arctic regions)
USBG - United States Botanic Garden
USCAVC - US Court of Appeals for Veterans Claims
USCB - US Census Bureau (agency which oversees the Census and maintains Census data information)
US-CERT - United States Computer Emergency Readiness Team (team responsible for handling computer breaches)
USCFA - US Commission of Fine Arts
USCG - United States Coast Guard (military branch responsible for guarding the U.S. coast, protecting commercial shipping, and providing aid to ships in distress)
USCIRF - US Commission on International Religious Freedom
USCIS - US Citizenship and Immigration Services ()
USCIT - United States Court of International Trade ()
USCP - United States Capitol Police (police force responsible for security at the U.S. Capitol building in Washington, D.C.)
USCSB - US Chemical Safety Board ()
USCVC - United States Capitol Visitor Center (visitor center housed in the U.S. Capitol building in Washington, D.C. providing information for visitors
USDA - United States Department of Agriculture (cabinet-level agency with responsibility for agricultural and farming issues, providing assistance to farms, collecting information on the agricultural economy, and promoting agricultural interests)
USEC - United States European Command (military group with responsibility for European operations)
USFA - United States Fire Administration ()
USFFC - United States Fleet Forces Command (branch of the Navy which oversees naval forces worldwide, provides planning for naval operations and fleet deployment)
USGS - United States Geological Survey (agency within the Interior Department responsible for the exploration and mapping of the interior lands of the United States, and the collection and analysis of information about mineral and geological deposits within the U.S.)
USHR - United States House of Representatives ()
USITC - United States International Trade Commission ()
USMA, WP - United States Military Academy, West Point ()
USMC - United States Marine Corps (military service branch within the U.S. Navy serving as an infantry force or providing land-based military cabilities)
USMS - United States Marshals Service (federal force which enforces federal laws)
USN - United States Navy (military service branch providing ocean-going naval/fleet forces capabilities)
USPACOM - United States Pacific Command (military command with oversight of military forces in the Pacific Ocean region)
USPC - United States Parole Commission (agency responsible for setting conditions for parole and with oversight of federal prison parole system)
USPIS - United States Postal Inspection Service (division of US Postal Service which investigates and reviews operations at postal facilities)
USPS - United States Postal Service (agency responsible for mail delivery services)
USPTO - United States Patent and Trademark Office (agency which reviews patent and trademark applications and approves applications)
USS - United States Senate (upper house of the U.S. Congress)
USS - United States Ship (designation for naval vessels of the U.S. Navy)
USSC - United States Sentencing Commission ()
USSC - United States Space Command (newly created military service branch intended to provide defense capabilities in space)
USSC - United States Strategic Command ()
USSOC - United States Special Operations Command ()
USSS - United States Secret Service (independent agency, formerly a division of the Treasury Department, but transferred to the Department of Homeland Security (DHS) in 2003, as a result of the Homeland Security Act of 2002, which focuses on combating crime, with jurisdiction in the international arena, outside the U.S.)
USTC - United States Transportation Command ()
USTDA - United States Trade and Development Agency ()
USTR - United States Trade Representative ()