MOS 0311, Rifleman

FIELD 03, INFANTRY 1 minute read
The riflemen employ the modern service rifle/carbine, the M203 grenade launcher and the squad automatic weapon (SAW). Riflemen are the primary scouts, assault troops, and close combat forces available to the MAGTF. They are the foundation of the Marine infantry organization, and as such are the nucleus of the fire team in the rifle squad, the scout team in the LAR squad, scout snipers in the infantry battalion, and reconnaissance or assault team in the reconnaissance units. Noncommissioned officers are assigned as fire team leaders, scout team leaders, rifle squad leaders, or rifle platoon guides.
 

MOS 0312, Riverine Assault Craft Crewman

FIELD 03, INFANTRY 1 minute read

The RAC crewman performs duties as either coxswain for the RAC or employs the onboard weapons systems (M240G, M2, MK-19).

MOS 0313, LAV Crewman

FIELD 03, INFANTRY 1 minute read
The LAV crewman provides driving and 1st echelon maintenance skills for all mission role vehicles organic to the LAR battalion. The LAV crewman also provides gunnery and weapons skills for the employment of the 25mm chain gun, the coaxial and pintle-mounted 7.62mm machineguns and thermal optics on the LAV-25 variant.
 

MOS 0314, Rigid Raiding Craft /Rigid Hull Inflatable Boat Coxswain

FIELD 03, INFANTRY 1 minute read
The rigid raiding craft/rigid hull inflatable boat (RHIB) coxswain is responsible for the safety and conduct of this boat team and embarked Marines, and the safe operation, launch, recovery, maintenance of the craft and its associated SL-3 equipment, and components.
 

MOS 0316, Combat Rubber Reconnaissance Craft Coxswain

FIELD 03, INFANTRY 1 minute read
The combat rubber reconnaissance craft (CRRC) coxswain is responsible for the safety and conduct of his boat team and the safe operation, handling, launch, recovery and maintenance of Combat Rubber Reconnaissance Craft (CRRC) and its associated equipment, components and SL-3 items.

MOS 0317, Scout Sniper

FIELD 03, INFANTRY 1 minute read

The scout sniper is a Marine skilled in field craft and marksmanship who delivers long range, precision fire on selected targets from concealed positions in support of combat operations. They have a secondary mission of gathering information for intelligence purposes. They participate in activities designed to deny the enemy freedom of movement by targeting enemy leaders, crew-served weapons operators, radiomen, observers, messengers, and other key personnel with precision fire.

MOS 0321, Reconnaissance Man

FIELD 03, INFANTRY 2 minutes read

The reconnaissance man is an infantry Marine skilled in amphibious reconnaissance and ground reconnaissance. In addition to basic infantry skills, he possesses proficiency in scout swimming, small boat operations and refined observation, scouting, patrolling and long-range communications skills.

MOS 0323, Reconnaissance Man, Parachute Qualified

FIELD 03, INFANTRY 1 minute read

Reconnaissance man, parachute qualified, participates in reconnaissance activities to gain information on the enemy and terrain. When appropriate, utilizes parachute as a means of entry in the execution of reconnaissance missions.