Universal Service Fund University of South Florida University of San Francisco Uplink State Flag United States Frigate Unit Set Fielding United States Forces Universal Service telephone Fee Universal Single Frequency Uplink Status Flag upstream stimulatory factor Unit Status Field United Scleroderma Foundation United States Africa Airways Universal Search Facility Universal Server Farm Universal Service Fee University of Saint Francis University of Sioux Falls University Of Southern Florida University of St. Francis Upper support fixture upstream regulatory factor upstream stimulating factor upstream stimulator factor upstream stimulatory factors upstream stimulatory transcription fac… User Services Facility
Universal Service Fund