National Service (NCS) the name of the center of Anti-Terrorist Intelligence Agency, Central America. This center is one of the four main branches of CIA considered.

Services National secret after the attacks of September 11, with the acquisition of the Ministry of justice, the US prisons secret CIA outside the territory of the United States of America, for the interrogation of the suspect to perform terrorist acts, techniques such as , or instill a sense of choking with the water he used. This method, Center for Counter-Terrorism Intelligence, shortly after the tenure of Barack Obama as president of the United States was banned.