- Radar : (acronym for "radio detection and ranging") A technique used for detecting and tracking targets, navigation, imagery, and special applications.
- Forward Area Air Defense : A U.S. military command and control system for managing air defense, which includes both artillery/air deconfliction and counter-rocket, artillery and mortar missions, near the main battle line, typically under brigade control
- AIM-120 AMRAAM : A high-performance. beyond-visual-range, air-to-air missile with inertial midcourse guidance and active radar terminal guidane, developed by the U.S. and used on the aircraft of a number of countries, as well as in surface-to-air missile variants
- Air defense artillery : A combat arms branch of the United States Army, responsible for defending ground forces and the continental United States against aircraft and missile attack
- Cueing : A method by which the output of one or more sensors is used to aim the sensors of another information-gathering or weapons system. These range from helmet-mounted sights in which the pilot's head position aims the targeting sensor on a missile, to sensor fusion where electro-optical sensors aim radars or vice versa.
- FIM-92 Stinger : A second-generation United States Army surface-to-air missile that can be fired from a soldier's shoulder, from vehicle-mounted launchers, and, in an air-to-air missile configuration, from attack helicopters. Uses combined infrared-ultraviolet guidance to resist countermeasures.
- High-Mobility Multipurpose Wheeled Vehicle : (HMMWV) Basic light truck of the United States Army, which comes in a wide variety of modular variants. A civilian version is called the Hummer.
- TPQ-36 : A medium-range, with longer minimum range than the AN/TPQ-46, directional counterbattery radar in the Firefinder series, used in the counter-rocket, artillery and mortar role