The Republic of Korea Armed Forces, also known as the ROK Armed Forces, are the armed forces of South Korea. The ROK Armed Forces is one of the largest and most powerful standing armed forces in the world with a reported personnel strength of 3,600,000 in 2022.
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.
Military doctrine is the expression of how military forces contribute to campaigns, major operations, battles, and engagements. A military doctrine outlines what military means should be used, how forces should be structured, where forces should be deployed, and the modes of cooperation between types of forces. "Joint doctrine" refers to the doctrines shared and aligned by multinational forces or joint service operations.
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 United States Central Command is one of the eleven unified combatant commands of the U.S. Department of Defense. It was established in 1983, taking over the previous responsibilities of the Rapid Deployment Joint Task Force (RDJTF).
The United States Space Command is a unified combatant command of the United States Department of Defense, responsible for military operations in outer space, specifically all operations 100 kilometers and greater above mean sea level. U.S. Space Command is responsible for the operational employment of space forces that are provided by the uniformed services of the Department of Defense.
Military operations other than war (MOOTW) are military operations that do not involve warfare, combat, or the threat or use of violence. They generally include peacekeeping, peacebuilding, disaster response, humanitarian aid, military engineering, law enforcement, arms control, deterrence, and multilateralism.
The United States Strategic Command (USSTRATCOM) is one of the eleven unified combatant commands in the United States Department of Defense. Headquartered at Offutt Air Force Base, Nebraska, USSTRATCOM is responsible for strategic nuclear deterrence, global strike, and operating the Defense Department's Global Information Grid. It also provides a host of capabilities to support the other combatant commands, including integrated missile defense; and global command, control, communications, computers, intelligence, surveillance, and reconnaissance (C4ISR). This command exists to give "national leadership a unified resource for greater understanding of specific threats around the world and the means to respond to those threats rapidly".
A blue-water navy is a maritime force capable of operating globally, essentially across the deep waters of open oceans. While definitions of what actually constitutes such a force vary, there is a requirement for the ability to exercise sea control at long range.
The United States Transportation Command (USTRANSCOM) is one of the eleven unified commands of the United States Department of Defense. In both times of peace and war, USTRANSCOM's role is to provide the Department of Defense with air, land, and sea transportation. USTRANSCOM was founded in 1987 and is based at Scott Air Force Base in Illinois.
Joint Strike Fighter (JSF) is a development and acquisition program intended to replace a wide range of existing fighter, strike, and ground attack aircraft for the United States, the United Kingdom, Italy, Canada, Australia, the Netherlands, Denmark, Norway, and formerly Turkey. After a competition between the Boeing X-32 and the Lockheed Martin X-35, a final design was chosen based on the X-35. This is the F-35 Lightning II, which will replace various tactical aircraft, including the US F-16, A-10, F/A-18A-D, AV-8B, EA-6B and British Harrier GR7, GR9s and Tornado GR4. The projected average annual cost of this program is $12.5 billion with an estimated program life-cycle cost of $1.1 trillion.
Expeditionary warfare is a military invasion of a foreign territory, especially away from established bases. Expeditionary forces were in part the antecedent of the modern concept of rapid deployment forces. Traditionally, expeditionary forces were essentially self-sustaining with an organic logistics capability and with a full array of supporting arms.
The Small Wars Journal (SWJ) is an online magazine focusing on intrastate conflict. Aside from its online magazine, SWJ hosts an accompanying blog and the Small Wars Council discussion board. Other site features include an online reference library, recommended reading and event listings. The magazine is published by the Small Wars Foundation, a non-profit corporation.
The United States Marine Corps (USMC), also referred to as the United States Marines, is the maritime land force service branch of the United States Armed Forces responsible for conducting expeditionary and amphibious operations through combined arms, implementing its own infantry, artillery, aerial, and special operations forces. The U.S. Marine Corps is one of the eight uniformed services of the United States.
The United States Marine Corps is tasked by Department of Defense directive to "conduct complex expeditionary operations in the urban littorals and other challenging environments" and "conduct amphibious operations, including engagement, crisis response, and power projection operations to assure access." Before 2006, the Marine Corps was the only branch of the Armed Forces that did not have any of its special warfare elements participating in the United States Special Operations Command (USSOCOM), due to confining its special operations capabilities only for the purpose to the Fleet Marine Force.
American military operations other than war (MOOTW) focus on deterring war, resolving conflict, promoting peace, and supporting civil authorities in response to domestic crises.
Joint force air component commander (JFACC) is a United States Department of Defense doctrinal term. It is pronounced "Jay-Fack".
The United States Special Operations Command is the unified combatant command charged with overseeing the various special operations component commands of the Army, Marine Corps, Navy, and Air Force of the United States Armed Forces. The command is part of the Department of Defense and is the only unified combatant command created by an Act of Congress. USSOCOM is headquartered at MacDill Air Force Base in Tampa, Florida.
