Legal Abbreviations and Acronyms
- USGCRPUnited States Global Change Research Program
- USGCRPGlobal Change Research Program
- USGCRPOUnited States Global Change Research Program Office
- USGRCPUnited States Global Change Research Program
- USGSUnited States Geological Survey (DOI)
- USIAUnited States Information Agency (changed To IIP)
- UTUniversity of Tennessee
- UTUniversal Time
- UT1Universal Time
- UTCUniversal Time
- UTCUniversal Time Coordinate
- UTENNUniversity of Tennessee
- UTILITUtilitarian
- UTMUniversity transverse mercator
- UVUltraviolet (Light)
- UV-AUltraviolet Type A
- UV-Bultraviolet type B (280-320 nanometer wavelength interval)
- UV-VISUltraViolet-Visible Spectroscopy
- UVAUltraviolet Radiation
- UVCSUltraviolet Coronagraph Spectrometer
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