- United States Secret Service, US Secret Service, USSS, Secret Service, SS - the United States intelligence agency that protects current and former presidents and vice presidents and their immediate families and protects distinguished foreign visitors; detects and apprehends counterfeiters; suppresses forgery of government securities and documents
--1 is a kind of United States intelligence agency
--1 is a part ofDepartment of the Treasury, Treasury Department, Treasury, United States Treasury - Schutzstaffel, SS - special police force in Nazi Germany founded as a personal bodyguard for Adolf Hitler in 1925; the SS administered the concentration camps
--2 is a kind of police, police force, constabulary, law
--2 has parts: Gestapo