Marine Transmission System Operator (MOS 0621) Guide For 2026

MOS 0621 Radio Operator sets up satellite communication

Marine Transmission System Operator (MOS 0621) is the Marine Corps’ primary communications specialist.

These Marines establish and maintain radio networks, transmit critical information, and ensure units stay connected in every environment from the battlefield to humanitarian missions.

It is a … Click Here To Read the rest

Marine Combat Engineer MOS 1371 Career Guide For 2026

Marine Combat Engineer - MOS 1371

A Marine Combat Engineer serves in a technical and physically demanding role within the Marine Corps.

Combat Engineers are responsible for construction, repair, and maintenance tasks that support operational requirements.

The role combines engineering duties with field conditions that may … Click Here To Read the rest

Marine Corps Security Force (MOS 8152) Career Guide For 2026

Marine Corps Security Force - MOS 8152

Marine Corps Security Forces (MOS 8152) provide dedicated security support for designated naval installations and strategic assets.

This specialty is assigned as a secondary Military Occupational Specialty and is held in addition to a Marine’s primary job field.

Security Forces … Click Here To Read the rest