- Close air support : Weapons delivered, by aircraft, in close proximity to friendly forces that are in contact with enemy forces; direct support of ground combat requiring extreme care to avoid fratricide
- United States Air Force : One of the uniformed services of the United States, with principal responsibility for land-based long-range and high-performance aircraft, as well as land-based intercontinental ballistic missiles
- C-130 Hercules : An extremely successful (in production for over 50 years) medium-range military transport aircraft with an extremely wide range of variants, including tanker, special operations and C3I-ISR, and ski-equipped LC-130.
- Autocannon : A magazine-fed cannon that will load and fire continuously until its magazine is empty.
- 105mm howitzer : Common caliber for light howitzers; principally used for specialized applications where weight is critical, such as aircraft use on the AC-130 or wheeled fire support vehicles
- Joint Direct Attack Munition : An add-on guidance kit that converts a standard Mark 8x "dumb bomb", or ballistic equivalent, into a precision-guided munition, using inertial navigation enhanced with GPS satellite navigation
- AAR-57 : Mounted on aircraft, the system detects the ultraviolet energy emissions of missile threats
- Infrared countermeasures : Equipment and flying techniques that can break the lock of a heat-seeking missile on a target aircraft.
- ALE-47 : An intelligent countermeasures dispenser for military aircraft, which can receive commands directly from warning receivers, and dispense expendable radar and infrared decoys, as well as manage a retrievable decoy towed via an fiber optic cable
- APQ-180 : A derivative of the AN/APG-70 ground mapping radar introduced for the F-15E Strike Eagle, built into the slower AC-130 attack aircraft
- ARC-164 : The standard U.S. and NATO UHF radio for military air-to-air and air-to-ground communications, compatible with the HAVE QUICK II electronic protection scheme; it is not a Joint Tactical Radio System device although JTRS units will interoperate with it
- ARC-187 : A multiservice HAVE QUICK II transceiver with JTIDS capability
- Radiofrequency MASINT : Collection and processing of intelligence information derived from unintentional electromagnetic radiation from targets of interest
- South Vietnam's ground war, 1972-1975 : That period during which South Vietnam fought North Vietnam without the assistance of U.S. ground troops
- Gulf War : The conflict started by the Iraqi invasion of Kuwait in 1990, and ended with the liberation of Kuwait and major damage to Iraqi forces, by a US-led UN coalition in 1991.
- 1989 U.S. operations in Panama : Add brief definition or description
- Afghanistan War (2001-) : Beginning on October 7, 2001, in response to the 9-11 attacks, military operations against the Taliban and al-Qaeda by United States and NATO forces
- Iraq War : Invasion of Iraq by a coalition of countries, led by the United States, in 2003, and subsequent occupation
- AC-47 : A cargo aircraft, with a battery of high-volume automatic weapons, for close air support; the prototype of modern fixed-wing gunships such as the AC-130
- Vietnam War ground technology : Military technology in support of ground operations, including helicopters and air assault, either associated with or introduced in Vietnam, between 1962 and 1975
- Controlling close support to ground forces : Doctrine for deconflicting and activelu controlling all forms of kinetic and nonkinetic fires support to troops close enough to the enemy that there is a significant danger of fratricide or degrading friendly capabilities
- 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.