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94E -- Radio and Communications Security (COMSEC) Repairer

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YEONCHEON, South Korea – Pvt. John Kilburn from Denver, Colo., a radio and communications security repairer assigned to Company B, 70th Brigade Support Battalion, 210th Field Artillery Brigade, 2nd Infantry Division, practices camouflaging his position during a field training exercise March 10 near Yeoncheon, South Korea. The battalion level exercise took place March 3-12 to help Soldiers practice their field craft skills.
(U.S. Army / Pfc. Song Gun-woo, 210th Field Artillery Brigade Public Affairs

Basic Job Description

A Radio/Communications Security Repairer is an essential member of the Army communications maintenance team. The Radio/Communications Security (COMSEC) Repairer performs or supervises field and sustainment level maintenance on radio receivers, transmitters, communication security (COMSEC) equipment, controlled cryptographic (CCI) items and other associated equipment.

Duties performed by Soldiers in this MOS include:

Uses test, measurement, and diagnostic equipment to determine the cause and location of malfunctions, extent of faults, and category of maintenance required. Repairs systems, equipment and subassemblies by adjusting, aligning, repairing, and replacing defective components, cryptographic items, or line replaceable units. Performs bench equipment tests to verify operability of repaired equipment, and ensures emission security standards are met. Evacuates damaged equipment and components to higher-level repair activities. Performs preventive maintenance checks and services on tools, test, measurement, and diagnostic equipment, vehicles, and power generators.

Performs complex and multi-failure tasks and provides technical and procedural assistance to subordinates. Tests equipment to localize and diagnose causes of malfunctions. Exchanges faulty equipment. Performs difficult or complex repairs of defective components, subassemblies, and related cabling. Ensures that National Security Agency approved components are used in communication security/controlled cryptographic items repairs. Provides shop supervisor with equipment repair status, priorities, and necessity for bench stock resupply. Performs final or quality control inspection of repaired equipment. Controls and accounts for controlled cryptographic items within the repair facility.

Training Information

Job training for a radio/communications security repairer requires 10 weeks of Basic Combat Training and 25 weeks of Advanced Individual training with on-the-job instructions. Part of this time is spent in the classroom and part in the field.

Some of the skills you’ll learn are:

  • Mechanical, electronic and electrical principles
  • Preventive maintenance procedures
  • Line installation and wiring technique
  • Communication security policy and procedure

ASVAB Score Required: 102 in aptitude area EL

Security Clearance: Secret

Strength Requirement: heavy

Physical Profile Requirement: 111221

Other Requirements

  • Normal color vision required
  • Must be a U.S. Citizen
  • Successful completion of one year of high school algebra and general science

Similar Civilian Occupations

  • First-Line Supervisors/Managers of Mechanics, Installers, and Repairers
  • Radio Mechanics

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