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Combat support agency (CSA) is a designation by the United States Department of Defense (DoD) of those defense agencies that provide department-level and tactical support to the U.S. military during combat operations. The designation was first outlined by the Goldwater-Nichols Department of Defense Reorganization Act of 1986, with subsequent additions based on the department's needs.
There are currently eight agencies designated as CSAs. This includes several intelligence agencies under DoD, which have a national mandate in addition to their departmental combat support role. [1]
The Defense Information Systems Agency (DISA), known as the Defense Communications Agency (DCA) until 1991, is a United States Department of Defense (DoD) combat support agency composed of military, federal civilians, and contractors. DISA provides information technology (IT) and communications support to the President, Vice President, Secretary of Defense, the military services, the combatant commands, and any individual or system contributing to the defense of the United States.
The National Geospatial-Intelligence Agency (NGA) is a combat support agency within the United States Department of Defense whose primary mission is collecting, analyzing, and distributing geospatial intelligence (GEOINT) in support of national security. Initially known as the National Imagery and Mapping Agency (NIMA) from 1996 to 2003, it is a member of the United States Intelligence Community.
The Central Security Service (CSS) is a combat support agency of the United States Department of Defense which was established in 1972 to integrate the National Security Agency (NSA) and the Service Cryptologic Components (SCC) of the United States Armed Forces in the field of signals intelligence, cryptology, and information assurance at the tactical level. In 2002, the CSS had approximately 25,000 uniformed members. It is part of the United States Intelligence Community.
The Non-classified Internet Protocol (IP) Router Network (NIPRNet) is an IP network used to exchange unclassified information, including information subject to controls on distribution, among the private network's users. The NIPRNet also provides its users access to the Internet.
The Defense Threat Reduction Agency (DTRA) is both a defense agency and a combat support agency within the United States Department of Defense (DoD) for countering weapons of mass destruction and supporting the nuclear enterprise. Its stated mission is to provide "cross-cutting solutions to enable the Department of Defense, the United States Government, and international partners to Deter strategic attack against the United States and its allies; Prevent, reduce, and counter WMD and emerging threats; and Prevail against WMD-armed adversaries in crisis and conflict." DTRA is headquartered in Fort Belvoir, Virginia. The DTRA mission, organization and management, responsibilities and functions, relationships, authorities, and administration are defined in DoD Directive 5105.62, Defense Threat Reduction Agency (DTRA).
The Defense Contract Management Agency (DCMA) is an agency of the United States federal government reporting to the Under Secretary of Defense for Acquisition and Sustainment. It is responsible for administering contracts for the Department of Defense (DoD) and other authorized federal agencies. Its headquarters is located at Fort Gregg-Adams, Virginia. DCMA also administers Foreign Military Sales contracts.
The Defense Logistics Agency (DLA) is a combat support agency in the United States Department of Defense (DoD). The agency is staffed by over 26,000 civilian and military personnel throughout the world. Located in 48 states and 28 countries, DLA provides supplies to the military services and supports their acquisition of weapons, fuel, repair parts, and other materials. The agency also disposes of excess or unusable equipment through various programs.
Awards and decorations of the United States government are civilian awards of the U.S. federal government which are typically issued for sustained meritorious service, in a civilian capacity, while serving in the U.S. federal government. Certain U.S. government awards may also be issued to military personnel of the United States Armed Forces and be worn in conjunction with awards and decorations of the United States military. In order of precedence, those U.S. non-military awards and decorations authorized for wear are worn after U.S. military personal decorations and unit awards and before U.S. military campaign and service awards.
The Defense Information System Network (DISN) has been the United States Department of Defense's enterprise telecommunications network for providing data, video, and voice services for 40 years.
The United States government classification system is established under Executive Order 13526, the latest in a long series of executive orders on the topic of classified information beginning in 1951. Issued by President Barack Obama in 2009, Executive Order 13526 replaced earlier executive orders on the topic and modified the regulations codified to 32 C.F.R. 2001. It lays out the system of classification, declassification, and handling of national security information generated by the U.S. government and its employees and contractors, as well as information received from other governments.
In the U.S., critical infrastructure protection (CIP) is a concept that relates to the preparedness and response to serious incidents that involve the critical infrastructure of a region or the nation. The American Presidential directive PDD-63 of May 1998 set up a national program of "Critical Infrastructure Protection". In 2014 the NIST Cybersecurity Framework was published after further presidential directives.
Global Command and Control System (GCCS) is the United States' armed forces DoD joint command and control (C2) system used to provide accurate, complete, and timely information for the operational chain of command for U.S. armed forces. "GCCS" is most often used to refer to the computer system, but actually consists of hardware, software, common procedures, appropriation, and numerous applications and interfaces that make up an "operational architecture" that provides worldwide connectivity with all levels of command. GCCS incorporates systems that provide situational awareness, support for intelligence, force planning, readiness assessment, and deployment applications that battlefield commanders require to effectively plan and execute joint military operations.
The Assistant Secretary of Defense for Networks & Information Integration (ASD(NII)) was an appointed position that provided management and oversight of all DoD information technology, including national security systems. The ASD(NII) also served as the chief information officer (CIO) of the United States Department of Defense (DoD), a position distinct from the ASD and governed by the Clinger-Cohen Act.
The under secretary of defense for intelligence and security or USD(I&S) is a high-ranking civilian position in the Office of the Secretary of Defense (OSD) within the U.S. Department of Defense (DoD) that acts as the principal civilian advisor and deputy to the secretary of defense (SecDef) and deputy secretary of defense (DepSecDef) on matters relating to military intelligence and security. The under secretary is appointed as a civilian by the president and confirmed by the Senate to serve at the pleasure of the president.
The United States Department of Defense is an executive branch department of the federal government of the United States charged with coordinating and supervising all agencies and functions of the U.S. government directly related to national security and the United States Armed Forces. As of November 2022, the U.S. Department of Defense is the second largest employer in the world—After India; and potentially China, if including the Central Military Commission. With over 1.4 million active-duty service personnel, including soldiers, marines, sailors, airmen, and guardians. The Department of Defense also maintains over 778,000 National Guard and reservists, and over 747,000 civilians bringing the total to over 2.91 million employees. Headquartered at the Pentagon in Arlington County, Virginia, just outside Washington, D.C., the Department of Defense's stated mission is "to provide the military forces needed to deter war and ensure our nation's security".
The structure of the United States Army is complex, and can be interpreted in several different ways: active/reserve, operational/administrative, and branches/functional areas.
The U.S. Marine Corps Forces Cyberspace Command is a functional formation of the United States Marine Corps to protect critical infrastructure from cyberattack. Marine Corps Forces Cyberspace Command is the Marine Corps component to U.S. Cyber Command. It comprises a command element, the Marine Corps Cyber Operations Group, and the Marine Corps Cyber Warfare Group, a total of approximately 800 personnel. MARFORCYBER was established on January 21, 2010 under the command of LtGen George J. Flynn,. As of 22 March 2024, MajGen Joseph Matos is in command.
The Fourth Estate is a jargon term for the portions of the United States Department of Defense that are not the military Services including: