15 -- Military

01	Military Forces and Organizations	The organization and structure of United States or foreign military forces and organizations. Includes force mixes, force structures, force levels and tables of organization; NATO; Rapid deployment forces; Military reserves; Paramilitary forces such as the National Guard and Civil Air Patrol.
02	Civil Defense	Activities and measures designed to minimize the effects upon the civilian population caused by an enemy attack or a natural disaster, to deal with the immediate emergency conditions which would be created by such an attack or disaster, and to effect emergency repairs to, or the temporary restoration of, vital utilities and facilities destroyed or damaged by such an attack or disaster. Includes the protection of military bases and population from natural disasters.
03	Defense Systems	Active and passive systems of military defense; Systems, structures and devices to provide area monitoring, security and terrain denial; Area and point defense; Antipersonnel and area defense through the use of remote sensors. Includes barbed wire, warning systems, barriers and other antiintrusion devices. For antimissile defense systems, See 15/03/01, Antimissile Defense Systems. For antiaircraft defense systems, See 15/03/02, Antiaircraft Defense Systems. For Civil defense, See 15/02, Civil Defense. For the use of land mines, See 15/06/06, Land Mine Warfare. For defense planning, policy and doctrine, See 15/06, Military Operations, Strategy and Tactics. For electronic and acoustic countermeasures, See the appropriate group in Field 17, Navigation, Detection and Countermeasures.
03/01	Antimissile Defense Systems	Techniques and equipment for the interception and destruction of guided and ballistic missiles. Includes appropriate tracking and computing systems.
03/02	Antiaircraft Defense Systems	Techniques and equipment for the interception and destruction of aircraft. Includes appropriate tracking and computing systems.
03/03	Antisatellite Defense Systems	Techniques and equipment for the ground or air based interception and destruction of satellites. Includes appropriate tracking and computing systems. For space based operations, See 15/06/05, Space Warfare.
04	Military Intelligence	Techniques for collecting, evaluating and disseminating information concerning foreign or enemy activities needed for the purpose of national security.
05	Logistics, MilitaryFacilities and Supplies	Logistics planning; Procurement, storage distribution, stock level controls and inventory techniques, issue, repair, reclamation, preventive and corrective maintenance, and replacement of military equipment and supplies; Design and testing of equipment such as clothing, field gear, and tents; Transportation of troops and military cargo; Industrial mobilization; Weapons and explosives storage facilities. For protective clothing, See 23/04, Protective Equipment. For related civilian studies, See 13/06, Surface Transportation and Equipment, 05/01, Administration and Management, and 01/06, Commercial and General Aviation. For Petroleum, oils and lubricants (POL) storage, See 21/04, Fuels. For nuclear weapons storage, See 15/06/04, Nuclear Warfare.
06	Military Operations, Strategy and Tactics	Joint and combined operations; Campaigns; Battles; Invasions; Theater operations; Psychological warfare; Conventional warfare; Methods of attack and combat support; Tactical and strategic defense planning, policy and doctrine; War gaming; Military exercises; Threat evaluation; Types of warfare; Rapid deployment operations; Amphibious and riverine operations. For naval surface warfare, See 15/06/01, Naval Surface Warfare. For submarine warfare, See 15/06/02, Undersea and Antisubmarine Warfare. For chemical, biological and radiological warfare, See 15/06/03, Chemical, Biological and Radiological Warfare. For nuclear warfare, See 15/06/04, Nuclear Warfare. For space warfare, See 15/06/05, Space Warfare. For land mine warfare, See 15/06/06, Land Mine Warfare. For unconventional warfare, See 15/06/07, Unconventional Warfare.
06/01	Naval Surface Warfare	Strategy and tactics of naval military operations conducted on the ocean surface; Fleet exercises; Naval convoys; Techniques and equipment for the interception and destruction of surface vessels, including tracking and computing. Includes ship and antiship defense systems.
06/02	Undersea and Antisubmarine Warfare	Submarine warfare; Naval mine warfare; Torpedo attack; Techniques and equipment for the interception and destruction of submarines, including tracking and computing systems; Fleet exercises. For submarine detection techniques, See Field 17, Navigation, Detection and Countermeasures. For underwater ordnance, See 19/08, Underwater Ordnance,and 19/08/01, Torpedoes.
06/03	Chemical, Biological and Radiological Warfare	Design, development, production and use of lethal and non-lethal chemical and biological agents, and radiological weapons. Includes nerve gases and irritating agents such as incapacitating agents, psychochemical agents and choking gases; Riot control agents; Tear gases; Defoliating agents for military purposes; Detection; Decontamination; Protective equipment; CBR ordnance items, such as bombs, projectiles, rockets and guided missile warheads. For nuclear weapons, See 19/11, Nuclear Weapons. For nuclear warfare, See 15/06/04, Nuclear Warfare. For pyrotechnic ammunition and incendiary bombs, See 19/01/01, Pyrotechnics.
06/04	Nuclear Warfare	Storage, transport and use of strategic and tactical nuclear weapons. Includes nuclear warfare strategy and planning. For treaties, arms control and negotiations, See 05/04, Government and Political Science. For the design and development of nuclear weapons, See 19/11, Nuclear Weapons.
06/05	Space Warfare	Military operations conducted in space. For ground or air based antisatellite systems, See 15/03/03, Antisatellite Defense Systems.
06/06	Land Mine Warfare	Land minefield design; Minelaying and mine clearing methods and equipment; Antitank, antimateriel and antipersonnel mines. Includes the design and development of land mine hardware and components. For naval mine warfare, See 15/06/02, Undersea and Antisubmarine Warfare.
06/07	Unconventional Warfare	Guerrilla warfare; Terrorist activities; Insurgency and counterinsurgency.

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