U

UAE	United Arab Emirates
UAR	United Arab Republic
UARF	Underwater Acoustic Research Facility
UBS	Urban Basic Services
UCR	Utility Control Room
UDS	Undistributed Sample
UK	United Kingdom
ULCC	Ultra Large Crude Carriers
ULFA	United Liberation Front of Asom
UN	United Nations
UNA	United Nations Associations
UNCTAD	United Nations Conference on Trade and Development
UNDP	United Nations Development Programme
UNESCO	United Nations Educational, Scientific and Cultural Organisation
UNFCCC	United Nations Framework Convention on Climate Change
UNHCR	United Nations High Commisioner for Refugees
UNICEF	United Nations International Childrens Emergency Fund
UNMIN	United Nations Mission In Nepal
UNO	United Nations Organisation
UNSC	United Nations Security Council
UPA	United Progressive Alliance
UPDS	United People's Democratic Solidarity
UPES	University of Petroleum & Energy Studies
UPS	Uninteruptable Power Supply
UPS	Uninterruptible Power Supply
UPSC	Union Public Service Commission
USA	United States of America
USSR	Union of Soviet Socialist Republics
UST	Ultrasonically Tested
UTI	Ullage Temeprature Interference
UTS	Ultimate Tensile Strength