The United States Armed Forces are the military forces of the United States. The armed forces consists of six service branches: the Army, Marine Corps, Navy, Air Force, Space Force, and Coast Guard. All six armed services are among the eight uniformed services of the United States.
The United States Army Corps of Engineers (USACE) is an engineer formation of the United States Army that has three primary mission areas: Engineer Regiment, military construction, and civil works. The day-to-day activities of the three mission areas are administered by a lieutenant general known as the commanding general/chief of engineers. The chief of engineers commands the Engineer Regiment, comprising combat engineer, rescue, construction, dive, and other specialty units, and answers directly to the Chief of Staff of the Army. Combat engineers, sometimes called sappers, form an integral part of the Army's combined arms team and are found in all Army service components: Regular Army, National Guard, and Army Reserve. Their duties are to breach obstacles; construct fighting positions, fixed/floating bridges, and obstacles and defensive positions; place and detonate explosives; conduct route clearance operations; emplace and detect landmines; and fight as provisional infantry when required. For the military construction mission, the commanding general is directed and supervised by the Assistant Secretary of the Army for installations, environment, and energy, whom the President appoints and the Senate confirms. Military construction relates to construction on military bases and worldwide installations.
The Joint Chiefs of Staff (JCS) is the body of the most senior uniformed leaders within the United States Department of Defense, which advises the president of the United States, the secretary of defense, the Homeland Security Council and the National Security Council on military matters. The composition of the Joint Chiefs of Staff is defined by statute and consists of a chairman (CJCS), a vice chairman (VJCS), the chiefs of the Army, Marine Corps, Navy, Air Force, Space Force, and the chief of the National Guard Bureau. Each of the individual service chiefs, outside their JCS obligations, works directly under the secretaries of their respective military departments, e.g. the secretary of the Army, the secretary of the Navy, and the secretary of the Air Force.
The U.S. Government Accountability Office (GAO) is an independent, nonpartisan government agency within the legislative branch that provides auditing, evaluative, and investigative services for the United States Congress. It is the supreme audit institution of the federal government of the United States. It identifies its core "mission values" as: accountability, integrity, and reliability. It is also known as the "congressional watchdog". The agency is headed by the Comptroller General of the United States. The comptroller general is appointed by the president with the advice and consent of the Senate. When a vacancy occurs in the office of the comptroller general, Congress establishes a commission to recommend individuals to the president.The commission consists of the following:
The secretary of the Air Force, sometimes referred to as the secretary of the Department of the Air Force, is the head of the Department of the Air Force and the service secretary for the United States Air Force and United States Space Force. The secretary of the Air Force is a civilian appointed by the president, by and with the advice and consent of the Senate. The secretary reports to the secretary of defense and/or the deputy secretary of defense, and is by statute responsible for and has the authority to conduct all the affairs of the Department of the Air Force.
The military budget is the largest portion of the discretionary United States federal budget allocated to the Department of Defense, or more broadly, the portion of the budget that goes to any military-related expenditures. The military budget pays the salaries, training, and health care of uniformed and civilian personnel, maintains arms, equipment and facilities, funds operations, and develops and buys new items. The budget funds six branches of the U.S. military: the Army, Navy, Marine Corps, Air Force, Coast Guard, and Space Force.
The Defense Contract Audit Agency (DCAA) is an agency of the United States Department of Defense under the direction of the Under Secretary of Defense (Comptroller). It was established in 1965 to perform all contract audits for the Department of Defense. Previously, the various branches of military service were responsible for their own contract audits.
The Defense Finance and Accounting Service (DFAS) is an agency of the United States Department of Defense (DOD), headquartered in Indianapolis, Indiana. DFAS was established in 1991 under the authority, direction, and control of the Under Secretary of Defense (Comptroller)/Chief Financial Officer to strengthen and reduce costs of financial management and operations within DOD. DFAS is responsible for all payments to servicemembers, employees, vendors, and contractors. It provides business intelligence and finance and accounting information to DOD decisionmakers. DFAS is also responsible for preparing annual financial statements and the consolidation, standardization, and modernization of finance and accounting requirements, functions, processes, operations, and systems for DOD.
A unified combatant command, also referred to as a combatant command (CCMD), is a joint military command of the United States Department of Defense that is composed of units from two or more service branches of the United States Armed Forces, and conducts broad and continuing missions. There are currently 11 unified combatant commands and each is established as the highest echelon of military commands, in order to provide effective command and control of all U.S. military forces, regardless of branch of service, during peace or during war time. Unified combatant commands are organized either on a geographical basis or on a functional basis, e.g. special operations, force projection, transport, and cybersecurity. Currently, seven combatant commands are designated as geographical, and four are designated as functional. Unified combatant commands are "joint" commands and have specific badges denoting their affiliation.
The Australian Intelligence Community (AIC) and the National Intelligence Community (NIC) or National Security Community of the Australian Government are the collectives of statutory intelligence agencies, policy departments, and other government agencies concerned with protecting and advancing the national security and national interests of the Commonwealth of Australia. The intelligence and security agencies of the Australian Government have evolved since the Second World War and the Cold War and saw transformation and expansion during the Global War on Terrorism with military deployments in Afghanistan, Iraq and against ISIS in Syria. Key international and national security issues for the Australian Intelligence Community include terrorism and violent extremism, cybersecurity, transnational crime, the rise of China, and Pacific regional security.
In Greece, the Hellenic Court of Audit is The Supreme Audit Institution of the Hellenic Republic, auditing the use of public funds in Greece according to the principles of legality, regularity and sound financial management. Synedrio is also the Supreme Financial Court, one of the three Supreme Courts of Justice, grounded on the Constitution, provides for its jurisdictional, advisory and auditing competences.
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 June 2022, the U.S. Department of Defense is the largest employer in the world, with over 1.34 million active-duty service members, including soldiers, marines, sailors, airmen, and guardians. DoD also maintains over 778,000 National Guard and reservists, and over 747,000 civilians bringing the total to over 2.87 million employees. Headquartered at the Pentagon in Arlington County, Virginia, just outside Washington, D.C., DoD's stated mission is to provide "the military forces needed to deter war and ensure our nation's security".
State auditors are fiscal officers lodged in the executive or legislative branches of U.S. state governments who serve as external auditors, financial controllers, bookkeepers, or inspectors general of public funds. The office of state auditor may be a creature of the state constitution or one created by statutory law.
The under secretary of defense (comptroller)/chief financial officer, abbreviated USD(C)/CFO, is a high level civilian official in the United States Department of Defense. The Under Secretary of Defense (Comptroller) is the principal staff assistant and adviser to both the Secretary of Defense and the Deputy Secretary of Defense for all budgetary and fiscal matters, including the development and execution of the Defense Department's annual budget.
The Australian Defence Organisation (ADO) is composed of the armed forces of the Commonwealth of Australia, the Australian Defence Force (ADF), and the Australian Public Service government department, the Department of Defence which is composed of a range of civilian support organisations.
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 Office of Inspector General (OIG) for the United States Department of Health and Human Services (HHS) is responsible for oversight of the United States Department of Health and Human Service's approximately $2.4 trillion portfolio of programs. Approximately 1,650 auditors, investigators, and evaluators, supplemented by staff with expertise in law, technology, cybersecurity, data analytics, statistics, medicine, economics, health policy, and management and administration. Based on Federal Employee Viewpoint Survey scores, OIG has been ranked the best place to work (number 1) in HHS for 5 consecutive years by the Partnership for Public Service.
The Adjutant General's Corps, formerly the Adjutant General's Department, is a branch of the United States Army first established in 1775. This branch provides personnel service support by manning the force, providing human resources services, coordinating personnel support, Army band operations, and recruiting and retention. The objective of the Adjutant General Corps is to "maximize operational effectiveness of the total force by anticipating, manning, and sustaining military operations. HR support operations accomplish this by building, generating, and sustaining the force providing combatant commanders the required forces for missions and supporting leaders and Soldiers at all levels."
The United States Department of Defense (DoD) has a complex organizational structure. It includes the Army, Navy, the Marine Corps, Air Force, Space Force, the Unified combatant commands, U.S. elements of multinational commands, as well as non-combat agencies such as the Defense Intelligence Agency and the National Security Agency. The DoD's annual budget was roughly US$496.1 billion in 2015. This figure is the base amount and does not include the $64.3 billion spent on "War/Non-War Supplementals". Including those items brings the total to $560.6 billion for 2015.
