Marine Corps Intelligence Specialist (MOS 0231) Guide For 2026

Marine Corps Intelligence Specialist - MOS 0231

Marine Corps Intelligence Specialists (MOS 0231) perform intelligence-related duties that support Marine Corps operations and decision-making.

This role involves collecting, analyzing, processing, and distributing information that supports operational planning and mission execution.

Intelligence Specialists work within the Marine Corps intelligence … Click Here To Read the rest

Substance Abuse Control Specialist (MOS 0149) Guide For 2026

Substance Abuse Control Specialist - MOS 0149

Marine Corps Substance Abuse Control Specialists hold a defined support role within the military structure.

This Military Occupational Specialty focuses on substance abuse education, prevention, and program coordination.

The position supports command efforts related to readiness, health, and accountability.

This … Click Here To Read the rest

USMC Machine Gunner MOS 0331: Career Guide For 2026

marine machine gunner - mos 0331

Marine Corps Machine Gunners hold the Military Occupational Specialty (MOS) 0331 and serve as infantry Marines trained in the employment of crew-served weapons.

They are responsible for the operation, maintenance, mounting, and displacement of heavy machine guns in support of … Click Here To Read the rest