- See also changes related to MACV-SOG, or pages that link to MACV-SOG or to this page or whose text .
- Vietnam War : A post-colonial independence/Cold War conflict between communist North Vietnam against South Vietnam, assisted by the United States (1955-1975), to unify Vietnam; won by North Vietnam in 1975.
- Special Assistant for Counterinsurgency and Special Activities : In the 1960s and 1970s, an officer who had responsibility for advising the Chairman of he Joint Chiefs of Staff on counterinsurgency and covert operations, the latter including military support to Central Intelligence Agency operations
- Military Assistance Command, Vietnam : Headquarters for most U.S. combat and support units assisting the Republic of Vietnam
- Special reconnaissance : Also known as SR, missions deep in denied areas, conducted by special operations personnel. They may be in or out of uniform. While SR units may direct air, missile, or artillery strikes, they strive to stay undetected.
- Direct action (military) : Military attacks, usually by special operations forces on land, against specific, well-defined targets, often behind enemy lines.
- Charles Beckwith : Retired colonel in the U.S. Army, who founded Delta Force and was the ground commander in the Iranian embassy hostage rescue attempt
- Donald Blackburn : (1916 - 2008) A U.S. Army officer specializing in insurgency, counterinsurgency and special operations before they were recognized as specialties.
- Fred Zabitosky : United States Army Special Forces and MACV-SOG non-commissioned officer, a Medal of Honor recipient in the Vietnam War and an expert on special reconnaissance
- 5th Special Forces Group : One of the older United States Army Special Forces groups first serving in Vietnam, the unit now supports United States Central Command in the Middle East, Central Asia and Horn of Africa
- ARC LIGHT : Code name for use of B-52 bombers to deliver very large amounts of conventional bombs to targets in South Vietnam, during the Vietnam War; the term has become generic for large-volume bomb drops against targets without significant air defenses
- Air campaigns in Cambodia and Laos : U.S. military air operations, both overt and covert, over Cambodia and Laos; some before and most during the 1962-1972 Vietnam War
- Air operations in the Vietnam War : Air warfare, generally excluding helicopters in direct support of troops, waged between 1962 and 1975 against targets in North and South Vietnam, Laos, and Cambodia, from aircraft carriers as well as bases in South Vietnam and Thailand
- Ban Me Thuot : A town in the Central Highlands of Vietnam, the junction of a number of key highways; During the Vietnam War, it was a MACV-SOG covert action base; the first major town captured in the 1975 North Vietnamese invasion, triggering large-scale refugee flight
- Lac Luong Dac Biet : Special Forces of the Army of the Republic of Vietnam; a paramilitary organization reporting to the office of President Ngo Dinh Diem before his overthrow, then a combination of a counterpart to United States Army Special Forces and a clandestine human-source intelligence and covert action organization, and eventually a pure counterpart organization.
- Nha Ky Thuat : The most common Vietnamese term for a Republic of Vietnam organization for special operations, clandestine human-source intelligence, and, at one point, paramilitary operations against protesters in the Buddhist crisis of 1963; U.S. counterpart organizations included MACV-SOG and United States Army Special Forces
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