Sensitive Compartmented Information (SCI) Administrative Security Manual: Administration of Information and Information Systems Security This Manual is composed of three volumes, each containing its own purpose, and reissues DoD Manual 5105.21-M-1 (Reference (a)). The purpose of the overall Manual, in accordance with the authority in DoD Directive (DoDD) 5143.01 (Reference (b)), is to implement policy established in DoD Instruction (DoDI) 5200.01 (Reference(c)), and Director of Central Intelligence Directive (DCID) 6/1 (Reference (d)) for the execution and administration of the DoD Sensitive Compartmented Information (SCI) program. It assigns responsibilities and prescribes procedures for the implementation of Director of Central Intelligence and Director of National Intelligence (DNI) policies for SCI. This Volume addresses administrative procedures for information security for SCI, including transmission and information systems (IS) security. This Volume: a. Applies to OSD, the Military Departments, the Office of the Chairman of the Joint Chiefs of Staff and the Joint Staff, the Combatant Commands, the Office of the Inspector General of the DoD, the Defense Agencies except as noted in paragraph 2.c., the DoD Field Activities, and all other organizational entities within the DoD (hereafter referred to collectively as the "DoD Components"). b. Applies to contractors in sensitive compartmented information facilities (SCIF) accredited by the Defense Intelligence Agency (DIA) and to DoD SCI contract efforts conducted within facilities accredited by other agencies and approved for joint usage by a co-utilization agreement. c. Does not apply to the National Security Agency/Central Security Service (NSA/CSS), National Geospatial-Intelligence Agency (NGA), and the National Reconnaissance Office (NRO), to which separate statutory and other Executive Branch authorities for control of SCI apply. Compartmented is also known as compartmentalized.