Aviation communication systems technicians perform and supervise maintenance of radios and communications systems found within selected units of the Marine Air Control Group. Tasks include installation, operation, performance testing, alignment and troubleshooting of all voice communications equipment, encryption devices, electronic assemblies and subassemblies, fiber optic cables, and system software for radios and telecommunications equipment used within the Marine Air Command and Control Systems (MACCS), to include the Tactical Air Operations Module (TAOM), Air Defense Communications Platform (ADCP), Communications Interface System (AN/MRQ-12), Direct Air Support Center, Airborne system (AN/UYQ-3B), and Communications Data Link System (CDLS).

Aviation radar repairers install, test, adjust, and provide organizational maintenance on the AN/TPS-63B, AN/TPS-59 (V)3, and associated IFF equipment of the TAOC.

Aviation radar technicians site, install, inspect, test, maintain, and repair the TAOC radars, and associated IFF equipment.

Air traffic control navigational aids technicians survey, site, and install air traffic control navigational aids and instrument landing systems. Make periodic inspections and perform preventive maintenance. Tune, adjust, and align systems for proper operation. Use proper safety procedures in system maintenance and operation.

Air traffic control radar technicians survey, site, and install air traffic control precision approach and surveillance radar systems. Make periodic inspections and perform preventive maintenance. Load operational software, tune, adjust, and align systems for proper operation. Use proper safety procedures in system maintenance and operation. Diagnose and isolate malfunction to the fault, remove and replace the fault; and verify that the malfunction has been corrected.

Air traffic control communications technicians survey, site, and install air traffic control communications systems. They inspect and perform preventive maintenance for proper operation, and diagnose and repair faults. They provide technical assistance during system flight inspections; maintain diagnostic tapes, tools, support, and test equipment; process and pack system components for storage or shipment; train subordinates or less qualified personnel; conduct maintenance management; and assist air traffic control maintenance personnel in MOS 5952 and MOS 5953.

Air traffic control systems maintenance chiefs supervise, coordinate, and instruct enlisted personnel in the performance of air traffic control maintenance functions. Provide information concerning the capabilities, limitations, and reliability of air traffic control systems and equipment. Instruct operation and maintenance of air traffic control systems. Perform staff support duties in formulating and implementing maintenance and supply plans, provisioning air traffic control systems, and preparing publications and training materials. Supervises surveying, siting, installation, modification, and maintenance tasks. Supervise air traffic control maintenance personnel in MOSs 5952, 5953, and 5954.

Tactical Data Systems Administrators (TDSA) plan and perform operational management and maintenance on the Marine Air Command and Control Systems (MACCS) Tactical Data Systems and common hardware/software suites. These include but are not limited to the AN/TYY-2 (Theater Battle Management Core Systems), AN/TYQ-101A (Communication Data Links system), AN/UYQ-91(V)1 (Intel Operation Server V1), Command and Control Personal Computer (C2PC), AN/GYK-60 (Advanced Field Artillery Tactical Data System), USC-55A (Commanders Tactical Terminal Hybrid 3), and Joint Tactical Information Distribution System (JTIDS).