Marine Tactical Electronic Warfare Squadron 3 (VMAQ-3) was one of four Tactical Electronic Warfare Squadrons in the United States Marine Corps. The squadron consisted EA-6B Prowler jets and was tasked with conducting airborne electronic warfare. The squadron was based at Marine Corps Air Station Cherry Point, North Carolina and fell under the command of Marine Aircraft Group 14 (MAG-14) and the 2nd Marine Aircraft Wing. The squadron was decommissioned on 11 May 2018 as the Marine Corps sunsets the EA-6B Prowler.

The Northrop Grumman EA-6B Prowler is a twin-engine, four-seat, mid-wing electronic-warfare aircraft derived from the A-6 Intruder airframe. The EA-6A was the initial electronic warfare version of the A-6 used by the United States Marine Corps and United States Navy; it was used during the Vietnam War. Development on the more advanced EA-6B began in 1966. An EA-6B aircrew consisted of one pilot and three Electronic Countermeasures Officers, though it was not uncommon for only two ECMOs to be used on missions. It was capable of carrying and firing anti-radiation missiles (ARMs), such as the AGM-88 HARM.