In October 1962, MASS-3 deployed to the Caribbean during the Cuban Missile Crisis but in December of that year were relocated to Marine Corps Air Station El Toro.
[3] During their time in Vietnam, MASS-3 Air Support Radar Teams controlled more than 38,010 AN/TPQ-10 missions, directing more than 121,000 short tons (110,000 t) of ordnance on 56,753 targets.
Some of these exercises included Bright Star (Egypt), Freedom Banner (South Korea), Blue Flag (Nevada), Display Determination (Turkey) and Gallant Eagle (California).
In December 1984, MASS-3 took delivery of the AN/TPS-10D, an upgraded radar guidance system used to direct close air support aircraft to deliver ordnance both day and night in all-weather conditions.
The squadron commenced operations coordinating joint and coalition air support on 28 August at the Jubail Naval Airfield.
The squadron's participation in combat operations culminated on 7 March 1991 when the DASC and ASEs safely returned to Jubail Naval Airfield.
The squadron returned to MCB Camp Pendleton on 17 March 1991 and immediately commenced its normally training schedule.
MASS 3 began sending units to Kuwait in October 2002 as part of the troop build-up for what would become Operation Iraqi Freedom.
MASS-3 returned to Iraq in January 2004 again providing air support for the 1st Marine Division during operations throughout Al Anbar Province.
Later in 2004 the squadron sent a detachment of Marines to serve as liaisons onboard the E-8 Joint STARS flying in support of I MEF operations.