25C: Radio Operator - Maintainer

Major Duties: Radio operator-maintainers supervise, install, operate, and perform preventive maintenance checks and services (PMCS) and unit level maintenance on assigned amplitude modulation (AM) radios, Enhanced Position Locating and Reporting System (EPLRS) net control stations, radio teletypewriter assemblages, and Army Special Operations communications systems, to include COMSEC devices and associated equipment. Operates manual or automated communications systems. Operates and performs PMCS on assigned vehicles and power generators. Duties for MOS 25C at each level of skill are:

• Skill Levels
  • Skill Level 1 MOSC 25C1O. Installs, operates, and performs PMCS and unit level maintenance on single channel radio, radio teletypewriter, Army Special Operations communications equipment, and EPLRS net control stations, and associated equipment. Installs, operates, performs strapping, restrapping, PMCS and unit level maintenance on COMSEC devices. Prepares and transmits messages in format. Receives, records, and processes messages to addressees or distribution sections. Operates and performs PMCS on assigned vehicles. Installs, operates, and performs PMCS on assigned power generators.
    
    
  • Skill Level 2 MOSC 25C2O. Supervises, and performs as a team member, in the operation of single channel AM radio, radio teletypewriter, Army Special Operations communications equipment, or EPLRS net control station assemblages. Supervises and performs authorized maintenance on assigned equipment. Directs the installation of radios and antennas. Controls and uses Signal Operating Instructions (SOI). Implements COMSEC, OPSEC, and physical security policies and procedures. Recognizes electronic countermeasures (ECM) and implements electronic counter-countermeasures (ECCM).
    
    
  • Skill Level 3 MOSC 25C3O. Supervises the installation, operation and maintenance of high frequency (HF) radios. Prepares work schedules and allocates equipment for net operations or special missions. Advises superiors on capabilities and limitations of HF radio equipment. Writes or interprets operations orders and prepares standing operating procedures (SOP) for HF operations. Ensures compliance with security regulations governing HF radio, COMSEC, and automated data processing (ADP) equipment used with HF equipment. Coordinates logistical support for subordinate teams. Establishes training programs for subordinate personnel.

Physical demands rating and qualifications for initial award of MOS. The radio operator-maintainer must possess the following qualifications:

(1) Physical Demands Rating: very heavy

(2) Physical Profile: 111221

(3) Minimum score of 100 in aptitude area SC and EL

(4) A security clearance of SECRET.

(5) Ability to clearly enunciate English.

(6) A U.S. citizen.

(7) The ability to type 25 WPM.

(8) Formal training (completion of MOS 25C Course conducted under the auspices of the USA Signal School) mandatory or waiver may be granted by Commandant, U.S. Army Signal School, ATTN: ATZH-POE, Ft Gordon, GA 30905-5300; or meet the civilian acquired skills criteria listed in AR 601-210.

MOS 25C was known as 31C before fiscal year 2005.

The major duties, physical demands, physical profile, and skill levels were obtained from Army Pamphlet 611-21.

MOS List for Signal Corps