Maintaining the electronics of aviation communications, weapons systems, radar and early warning systems are the duties of the Military Occupational Specialty (MOS) of the Army Career Field 94.
Below are the Army MOS's and basic details of that job that fall into the Electronic/Missile Maintenance Field:
94A - Land Combat Electronic Missile System Repairer - Supervises or performs field maintenance on the Tube-launched, Optically-tracked, Wire-guided anti-tank missile system, Improved Target Acquisition System, Javelin systems and the Bradley Fighting Vehicle TOW2 Subsystem (T2SS).
94D - Air Traffic Control Equipment Repairer - The air traffic control equipment repairer performs or supervises field and sustainment level maintenance and installation of air traffic control communications, navigation aids, and landing systems.
94E - Radio and Communications Security (COMSEC) Repairer - Performs or supervises field maintenance on radio receivers, transmitters, communication security (COMSEC) equipment, controlled cryptographic (CCI) items and other associated equipment.
94F - Computer/Detection Systems Repairer - Performs field maintenance and repair on microcomputers and electromechanical telecommunications equipment, Field Artillery (FA) digital devices, Global Positioning System (GPS) receivers, switchboards, telephones, associated wire instruments/equipment, night vision devices/equipment, laser and fiber optic systems, mine detection and dispensing systems, electronic distance and azimuth-orienting devices, battlefield illumination devices, and nuclear, biological and chemical (NBC) warning and measuring devices.
94H - Test Measurement and Diagnostic Equipment Maintenance Support Specialist - Performs maintenance involving the calibration and repair of general purpose Test, Measurement, and Diagnostic Equipment (TMDE).
94K - APACHE Attack Helicopter Systems Repairer - Performs maintenance and installation of air traffic control communications, navigation aids and landing systems.
94L - Avionic Communications Equipment Repairer - Performs maintenance on aircraft communications equipment to include maintain, test, calibrate, and repair communication equipment.
94M - RADAR Repairer - Performs maintenance on ground surveillance radar and associated equipment, radar electronic assemblies and associated equipment and meteorological equipment.
94P - Multiple Launch Rocket System (MLRS) Repairer - Performs maintenance on the Multiple Launch Rocket System (MLRS) M270, M270A1, High Mobility Artillery Rocket System (HIMARS), the self-propelled launcher-loader (SPLL), launcher pod/container (L/PC) trainer.
94R - Avionic and Survivability Equipment Repairer - Performing maintenance on avionic navigation flight control systems, stabilization systems, equipment which operates using radar principles and aircraft survivability equipment.
94S - PATRIOT System Repairer - Primarily responsible for performing maintenance on the Patriot System which is a combat missile system that features a phased array radar set and control station used in the defense of incoming long-range missiles.
94T - AVENGER System Repairer - Performs maintenance on the Avenger System, a lightweight, highly mobile and transportable surface-to-air missile/gun weapon system that provides short-range air defense protection against air and land attacks.
The below are not entry level MOS's:
94W - Electronics Maintenance Chief - Supervises, monitors, and directs the electronics maintenance mission of the U.S. Army, and oversees direct support level maintenance of all Army standard electronics equipment, systems.
94X - Senior Missile Systems Maintainer - Supervises, plans, coordinates, and directs the unit, direct support and general support (DS/GS) maintenance of all mechanical equipment.
94Y - Integrated Family of Test Equipment (IFTE) Operator/Maintainer - Maintains the base shop test facility and performs electronic maintenance on shop replaceable units, system supported line replaceable units and test program sets.
94Z - Senior Electronic Maintenance Chief - Plans and directs electronic maintenance operations at all levels of command and echelons of the US Army.