4531 mass communicator

4531 is the Military Occupational Specialty (MOS) code for a Marine Corps Combat Mass Communicator. This job includes administrative and clerical functions such as general administration, postal service, and personnel administration. Qualifications include communication abilities, typing, and basic clerical skills.

All PMOS 4341 (Mass Communicator) Marines in grades Private through Sergeant reclassify as PMOS 4531 (Combat Mass Communicator).

Other MOS codes for the Marine Corps include: 0311: Infantry rifleman 0321: Reconnaissance Marine