Central Intelligence Agency - 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 CouncilCounterterrorist Center, CTC - an agency that helps the Director of Central Intelligence coordinate counterterrorist efforts in order to preempt and disrupt and defeat terrorist activities at the earliest possible stage Nonproliferation Center, NPC - an agency that serves as the focal point for all Intelligence Community activities related to nonproliferation of weapons of mass destruction and their missile delivery systems independent agency - an agency of the United States government that is created by an act of Congress and is independent of the executive departments |