National Clandestine Service [NCS] Law and Legal Definition

National Clandestine Service (NCS) is a semi-independent directorate-level service within the Central Intelligence Agency (CIA) in U.S. NCS serves as the clandestine arm of the Central Intelligence Agency (CIA) and the national authority for coordinating human intelligence(HUMINT) services. NCS also provides for the de-confliction and evaluation of clandestine operations across the Intelligence Community of the U.S. NCS was formerly known as the Directorate of Operations. The mission of NCS is to strengthen national security and foreign policy objectives through the clandestine collection of human intelligence (HUMINT) and Covert Action. Generally, NCS is answerable to the U.S. President, Congress and the American taxpayer.

Usually, NCS consists of four different types of officers namely, the collection management officers, staff operations officers, operations officers, and paramilitary operations officers.