U
(Chem.) uranium     U
(Mech.) linear velocity     u
uncle, unit, university, upper     u.
university     U.
United States     U. S.
United States Army, United States of America,
Union of South Africa     U. S. A.
United States Air Force     U. S. A. F.
United States Coast Guard     U. S. C. G.
United States Information Agency     U. S. I. A.
United States mail     U. S. M.
United States Military Academy     U. S. M. A.
United States National Army,
United States Naval Academy     U. S. N. A.
United States National Guard     U. S. N. G.
Union of Soviet Socialist Repablics    U. S. S. R.
(Astron.) universal time    U. T.
United Arab Republic     U.A.R.
upper case (capital letter or letters)     u.c.
(Eng.) upper deed center     U.D.C.
ultrahigh frequency     U.H.F. or uhf. or u.h.f.
United Kingdom    U.K.
United Nations     U.N.
(Eng.) ultimate operational capability     U.O.C.
undistorted power output     U.P.O.
Universal Avionics Computer    UAC
United Arab Emirates    UAE
United Arab Emirates Air Force    UAEAF
Up-Armored HMMWV    UA-HHV
Unmanned Aerial Vehicle    UAV
USAREUR Automated Weather System    UAWS
Uniform Code of Military Justice    UCMJ
Unhardened Collective Protection System (for Desert Use)    UCPS(DU)
Utilities Control System    UCS
The Universal DataLink    UDL
Universal engineer tractor    UET
Up-Front Control Display    UFCD
Up-Front Control Panel    UFCP
Up-Front Display    UFD
Universal Flight Data Recorder    UFDR
micrograms per liter (liquid measure)    ug/liter
Underwater-launched surface attack guided missile designator    UGM
urgent     UGT
Ultra-high capacity airliner.    UHCA
Ultra High Frequency    UHF
United Kingdom    UK
United Kingdom Air Defence Ground Environment    UKADGE
UK air defence region    UKADR
United Kingdom Infra-Red CounterMeasures    UKIRCM
Universal Locator Airborne Integrated Data System    ULAIDS
Unit load container    ULC
Unit Line Number    ULN
ultimate, ultimately, ultimo     ult.
ultimo     Ulto.
Universal mine-dispensing system    UMIDS
Uniform Military Management and Movement Indicator System    UMMIPS
United Nations    UN
United Nations Assistance Mission for Rwanda    UNAMIR
unanimous     unan.
United Nations Angola Verification Mission    UNAVEM I
United Nations Angola Verification Mission III    UNAVEM III
United Nations Center for Human Settlements (Habitat)    UNCHS
United Nations Confidence Restoration Operation in Croatia    UNCRO
United Nations Conference on Trade and Development    UNCTAD
Urgency of Need Designator    UND
United Nations Disengagement Observer Force    UNDOF
United Nations Development Program    UNDP
United Nations Environment Program    UNEP
United Nations Educational, Scientific, and Cultural Organization    UNESCO
United Nations Educational, Scientific,
and Cultural Organization     UNESCO,
United Nations Force in Cyprus    UNFICY
United Nations Peace-keeping Force in Cyprus    UNFICYP
United Nations Fund for Population Activities; see UN Population Fund (UNFPA)    UNFPA
United Nations High Commissioner for Refugees    UNHCR
United Nations Office of the High Commissioner for Refugees    UNHCR
United Nations Children's Fund    UNICEF
United Nations Children’s Fund     UNICEF
United Nations Industrial Development Organization    UNIDO
United Nations Development Fund for Women    UNIFEM
United Nations Interim Force in Lebanon    UNIFIL
United Nations Iraq-Kuwait Observation Mission    UNIKOM
United Nations Institute for Training and Research    UNITAR
universal, university     Univ.
United Nations Mission in Bosnia and Herzegovina    UNMIBH
United Nations Mission in Haiti    UNMIH
United Nations Military Observer Group in India and Pakistan    UNMOGI
United Nations Mission of Observers in Prevlaka    UNMOP
United Nations Mission of Observers in Tajikistan    UNMOT
United Nations Observer Mission in Georgia    UNOMIG
United Nations Observer Mission in Liberia    UNOMIL
United Nations Operation in Mozambique    UNOMOZ
United Nations Mission of Observers in Sierra Leone    UNOMSIL
United Nations Observer Mission Uganda-Rwanda    UNOMUR
United Nations Operation in Somalia    UNOSOM
United Nations Operation in Somalia II    UNOSOM II
United Nations Preventive Deployment Force    UNPREDEP
United Nations Protection Force    UNPROFO
United Nations Research Institute for Social Development    UNRISD
United Nations Relief and Works Agency for Palestine Refugees in the Near East    UNRWA
United Nations Relief and Works Agency     UNRWA,
unsymmetrical     uns.
United Nations Security Council    UNSC
United Nations Special Commission    UNSCOM
United Nations Support Mission in Haiti    UNSMIH
United Nations Transitional Authority in Cambodia    UNTAC
United Nations Transitional Administration in Eastern Slavonia, Baranja, and Western Sirmium    UNTAES
United Nations Truce Supervision Organization    UNTSO
United Nations University    UNU
under proof     UP
upper     up.
United Press International     UPI
Turbofan exhaust vented over upper surface    upper surface
Universal Postal Union    UPU
Universal Postal Union     UPU
(Chem.) uranium     Ur
under way replenishment group (in Military Balance)    URG
Ultra Reliable Radar    URR
United States    US
0.83267 Imperial gallon 3.785 liters.    US gallon
United States of America    USA
Total mass of fuel consumable in flight, usually 95-98 per cent of system capacity.    usable fuel
U.S. Army Corps of Engineers    USACE
US Army Chemical School and Center    USACMLS
United States Air Force    USAF
U.S. Air Force Europe    USAFE
United States Air Force Reserve    USAFR
USAF, Reserves    USAFR
United States Army Medical Research and Development Command    USAMRDC
US Army Nuclear and Chemical Agency    USANCA
United States Air National Guard    USANG
United States Army Reserves    USAR
United States Army Europe    USAREUR
upper sideband    USB
United States Code    USC
U.S. Central Command    USCENTCOM
U.S. Coast Guard    USCG
Commander-in-Chief, U.S. Central Command    USCINCCENT
Unmanned surveillance drone    USD
U.S. Defense Attache Office    USDAO
U.S. European Command    USEUCOM
United States Government    USG
underwater-to-surface GW (in Military Balance)    USGW
U.S. Information Agency    USIA
U.S. Marine Corps    USMC
USMC Reserves    USMCR
U.S. Navy    USN
United States Navy     USN
U.S. Navy, U.S. Central Command    USNAVCENT
U.S. Navy Reserve    USNR
U.S. Pacific Command    USPACCOM
U.S. Special Operations Command    USSOCOM
U.S. Southern Command    USSOUTHCOM
U.S. Space Command    USSPACECOM
Union of Soviet Socialist Republics (Soviet Union); used for information dated before 25 December 1991    USSR
USSR/Eastern Europe    USSR/E
Union of Soviet Socialist Republics/Eastern Europe    USSR/EE
U.S. Transportation Command    USTRANSCOM
UHF Satellite Tracking (or Terminal) System    USTS
usual, uaually    usu.
(G. und so weiter) et cetera     usw
Utah    Ut.
Unit Type Code    UTC
Utilization Rate    UTE
utility    utl
universal transverse Mercator    UTM
underwater-to-underwater GW (in Military Balance)    UUGW
Unmanned undersea vehicle    UUV
ultraviolet    UV
ultraviolet     UV
underwriter     UW
wife     ux.
Unexploded ordnance/object    UXO