Proper noun
USSS
(US) Initialism of United States secret service.
Former USSS badge, used from 1890 to 1971. Source: Internet
History Former USSS badge, used from 1875 to 1890. Source: Internet
The USSS Uniformed Division is a security police similar to the U.S. Capitol Police or DHS Federal Protective Service and is in charge of protecting the physical White House grounds and foreign diplomatic missions in the Washington, D.C. area. Source: Internet