The squadron provides aerial surveillance, Ground-controlled interception, and air traffic control for the II Marine Expeditionary Force.

It provides automatic carrier landing system approach services (Modes I, II, and III) for forward operating bases.

In March 1945, the squadron relocated once again, this time assigned to the 3rd Marine Aircraft Wing at Pearl Harbor, Territory of Hawaii.

During the buildup to the Korean War, Marine Ground Control Intercept Squadron 2 was reactivated in El Toro, California on 3 August 1950.

In January 1952, the squadron was attached to Marine Aircraft Group 13 and two months later moved with MAG-13 to Kaneohe Bay, Territory of Hawaii.

[6] In August 1990, MACS-2 received orders to deploy to Southwest Asia in support of Operation Desert Shield, and on 6 September 1990, arrived in Saudi Arabia.

On 29 December 1990, MACS-2 displaced to Ras Mishab port, harbor, and airfield complex, establishing the primary TAOC eight miles west, to provide anti-air warfare capabilities in support of MARCENT and I Marine Expeditionary Force air and ground operations.

During Operation Desert Storm in February 1991, an Early Warning and Control (EW/C) site deployed with the ground combat element through the breach to Ahmad al-Jaber Air Base in the Kingdom of Kuwait.

MACS-2 relocated once more to MCAS Cherry Point in 1998 under Marine Air Control Group 28 where it resides today.

An MMT team attached to MWSS-371 took part in the Battle of Ah Nasiriyah from 26 to 29 March 2003, with one air traffic control sustaining shrapnel wounds that earned him a purple heart.

These units were responsible for controlling 70,000 square miles of airspace in support of Regional Command Southwest operations.