- Central Intelligence Agency, CIA - an independent agency of the United States government responsible for collecting and coordinating intelligence and counterintelligence activities abroad in the national interest; headed by the Director of Central Intelligence under the supervision of the President and National Security Council
--1 is a kind of United States intelligence agency; independent agency
--1 is a member of
--1 has parts: Counterterrorist Center, CTC; Nonproliferation Center, NPCIntelligence Community, National Intelligence Community, United States Intelligence Community, IC