List of United States Marine Corps aviation support units

This is a list of United States Marine Corps aviation support squadrons and other units, sorted by type.

The Marine Wing Headquarters Squadron (MWHS) provides administrative and supply support for a Marine Aircraft Wing Headquarters (MAW HQ). The MAW HQ is a separate organization that directs and coordinates the operations of the MAW. The MAW HQ contains the wing commander (commanding general) and assistant wing commander, their personal staffs (aides-de-camp, drivers, etc.), and the chief of staff, the general staff divisions (G-1 through G-6), and the special staff departments (public affairs officer, wing inspector, staff judge advocate, wing medical officer, and wing chaplain). The wing commander fights the MAW from his operational command post located in the Tactical Air Command Center (TACC) maintained by the Marine Tactical Air Command Squadron (MTACS).

The Marine Aviation Logistics Squadron (MALS) provides direct support of intermediate aircraft maintenance, aviation supply, and aviation ordnance to the aircraft squadrons of a Marine Aircraft Group. A MALS is capable of supporting multiple types of aircraft, as well as providing detachments for the aviation combat elements of a MEB or MEU.

MACS are responsible for air traffic control and operate the Tactical Air Operations Center (TAOC), which directs antiair warfare (to include ground-based anti-aircraft weapons), early warning & intercept control, air surveillance, radar control, and airspace management.

MASSs provide the Direct Air Support Center (DASC) which controls and coordinates those tactical aircraft operations directly supporting ground forces. They are responsible for the processing of immediate requests (e.g. Close Air Support, CASEVAC, and Assault Support), integrate and deconflict indirect fire support (e.g., artillery and mortars) with aviation assets, manage terminal control assets, and procedurally control aircraft.

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