The AN/ASQ-213 HARM targeting system is a

targeting pod Targeting pods (TGP) are target designation tools used by attack aircraft for identifying targets and guiding precision-guided munition (PGM) such as laser-guided bombs to those targets. The first targeting pods were developed in conjunction wit ...

mounted to the side of an F-16 aircraft that enables the aircraft to track the location of hostile

radar Radar is a detection system that uses radio waves to determine the distance ('' ranging''), angle, and radial velocity of objects relative to the site. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, we ...

systems that can then be engaged with

AGM-88 HARM The AGM-88 HARM (High-speed Anti-Radiation Missile) is a tactical, air-to-surface missile, air-to-surface anti-radiation missile designed to home in on electronic transmissions coming from surface-to-air radar systems. It was originally developed ...

or other air-to-surface weapons.

References

US Air Force HARM Targeting Pod Page

US Air Force
Raytheon Company products Targeting pods Military electronics of the United States {{Aviation-stub