U.S.-Controlled FacilityCreated OnMarch 5, 2018Last Updated OnMarch 5, 2018Views2 You are here: KB Home Definitions Definitions T-U U.S.-Controlled Facility < BackBase or building to which access is physically controlled by U.S. individuals who are authorized U.S. government or U.S. government contractor employees. SOURCE: CNSSI-4009