The Direct Air Support Center (DASC) is the principal United States Marine Corps aviation command and control system and the air control agency responsible for the direction of air operations directly supporting ground forces. It functions in a decentralized mode of operation, but is directly supervised by the Marine Tactical Air Command Center (TACC) or the Navy Tactical Air Control Center (NTACC). During amphibious or expeditionary operations, the DASC is normally the first Marine Air Command and Control System (MACCS) agency ashore and is usually categorized as the Ground Combat Element's (GCE's) senior Fire Support Coordination Center (FSCC). The DASC's parent unit is the Marine Air Support Squadron (MASS) of the Marine Air Control Group (MACG).
Marine Air Support Squadron 3 (MASS-3), is a United States Marine Corps aviation command and control unit that provides the Direct Air Support Center (DASC) for the 1st Marine Expeditionary Force. They are based out of the 32 Area on Marine Corps Base Camp Pendleton, California and fall under the command of Marine Air Control Group 38 and the 3rd Marine Aircraft Wing.
The 2nd Marine Aircraft Wing is the major east coast aviation unit of the United States Marine Corps and is headquartered in Marine Corps Air Station Cherry Point, North Carolina. The Wing provides the aviation combat element for the II Marine Expeditionary Force.
Marine Air Support Squadron 2 (MASS-2), is a United States Marine Corps aviation command and control unit that provides the Direct Air Support Center (DASC) for the III Marine Expeditionary Force. It is the oldest and most decorated aviation command and control unit in the Marine Corps.
Marine Air Support Squadron 1 (MASS-1) is a United States Marine Corps aviation command and control unit that provides the Direct Air Support Center to coordinate close air support for the II Marine Expeditionary Force. Callsign "Chieftain," the squadron is based out of Marine Corps Air Station Cherry Point, North Carolina, and falls under the command of Marine Air Control Group 28 and the 2nd Marine Aircraft Wing.
Marine Aircraft Group 26 (MAG-26) is a United States Marine Corps aviation unit based at Marine Corps Air Station New River composed of seven MV-22 Osprey squadrons, one of which is the Fleet Replacement Squadron, an aviation logistics squadron, and a wing support squadron. It falls under the command of the 2nd Marine Aircraft Wing and II Marine Expeditionary Force.
Marine Air Control Group 28 (MACG-28) is a United States Marine Corps aviation command and control unit based at Marine Corps Air Station Cherry Point that is currently composed of four command and control squadrons and a low altitude air defense battalion that provide the 2nd Marine Aircraft Wing with airspace coordination, air control, immediate air support, fires integration, air traffic control (ATC), radar surveillance, aviation combat element (ACE) communications support, and an integrated ACE command post in support of the II Marine Expeditionary Force.
Marine Wing Headquarters Squadron 3 is the headquarters element of the 3rd Marine Aircraft Wing and is located at Marine Corps Air Station Miramar, California.
Marine Aviation Logistics Squadron 31 (MALS-31) is an aviation logistics support unit of the United States Marine Corps. Known as the "Stingers", they fall under the command of Marine Aircraft Group 31 (MAG-31) and 2nd Marine Aircraft Wing and are currently based at Marine Corps Air Station Beaufort.
Marine Aviation Logistics Squadron 39 (MALS-39) is an aviation logistics support unit of the United States Marine Corps. Known as the "Hellhounds", they fall under the command of Marine Aircraft Group 39 (MAG-39) and the 3rd Marine Aircraft Wing and are currently based at Marine Corps Air Station Camp Pendleton, California..
Marine Air Control Group 48 (MACG-48) is a United States Marine Corps aviation command and control unit based at Naval Station Great Lakes that is currently composed of 4 squadrons that provide the 4th Marine Aircraft Wing and Marine Forces Reserve with a tactical headquarters, positive and procedural control of aircraft, air defense and aviation command and control.
Marine Tactical Air Command Squadron 18 (MTACS-18) was a United States Marine Corps aviation command and control unit based at Marine Corps Air Station Futenma. The squadron provided the 1st Marine Aircraft Wings tactical headquarters and command post while deployed. MTACS-18 fell under the command of Marine Air Control Group 18 (MACG-18) and 1st MAW. The squadron was decommissioned on 9 June 2021 as part of the service's Force Design 2030. Responsibility for establishing 1st MAW's TACC now resides with the MACG-18 headquarters.
Marine Wing Communications Squadron 18 (MWCS-18) is a United States Marine Corps communications squadron. The squadron provides expeditionary communications for the aviation combat element of the III Marine Expeditionary Force. They are based at MCB Camp Foster and fall under the command of Marine Air Control Group 18 and the 1st Marine Aircraft Wing. Although a subordinate squadron of MACG-18, MWCS-18 is considered a 1st MAW asset and therefore serves to augment the entire 1st Marine Air Wing with communications support.
Marine Wing Communications Squadron 28 (MWCS-28) is a United States Marine Corps communications squadron. The squadron provides expeditionary communications for the aviation combat element of the II Marine Expeditionary Force. They are based at Marine Corps Air Station Cherry Point and fall under the command of Marine Air Control Group 28 and the 2nd Marine Aircraft Wing.
Marine Tactical Air Command Squadron 38 (MTACS-38), was a United States Marine Corps aviation command and control unit that provided the Tactical Air Command Center (TACC) for the 3rd Marine Aircraft Wing. The TACC is the senior agency in the Marine Air Command and Control System (MACCS) and serves as the operational command post for the commander of the aviation combat element and their staff. The squadron was based at Marine Corps Air Station Miramar, California and fell under the command of Marine Air Control Group 38 and the 3rd Marine Aircraft Wing.
Marine Wing Communications Squadron 38 (MWCS-38) is a United States Marine Corps communications squadron. The squadron provides expeditionary communications for the aviation combat element of the I Marine Expeditionary Force. They are based at Marine Corps Air Station Miramar, California, and fall under the command of Marine Air Control Group 38 and the 3rd Marine Aircraft Wing.
Marine Tactical Air Command Squadron 48 (MTACS-48) is a reserve aviation command and control unit of the United States Marine Corps based at Naval Station Great Lakes, Illinois. They provide the 4th Marine Aircraft Wings tactical headquarters and command other units within Marine Air Control Group 48 when deployed.
Marine Aircraft Group 43 (MAG-43) was a fixed wing aviation group in the United States Marine Corps Reserve based at Naval Air Station Joint Reserve Base Willow Grove, Pennsylvania.
The Marine Air Command and Control System (MACCS) is the aviation command and control agencies of the United States Marine Corps that provide the Aviation Combat Element (ACE) commander with the means to monitor, supervise, and influence aviation operations in support of the Marine Air-Ground Task Force. The command and control agencies of the MACCS are provided by the squadrons and battalions of the Marine Air Control Groups that are present within each Marine Air Wing. The capabilities resident within the MACCS allow the MAGTF commander to safely conduct aviation operations, facilitate timely maneuver and prosecution of fires and ultimately retain full control of their entire area of operations. MACCS agencies are also responsible for coordinating Marine Corps aviation operations with joint, multinational and civil aviation.
United States of America
United States Marine Corps 
