INFANTRY (FIELD 03)

Learn about Infantry roles in the Marine Corps.

This occupational field includes ground forces who are trained to locate and destroy the enemy by fire and maneuver or repel their assault by fire and close combat. These roles all require high levels of fitness, mental toughness, and tactical abilities. Infantry Marines learn tactics, methods of entry and insertion, embarking aboard and fighting from helicopters, Assault Amphibious Vehicles (AAVs), motorized tactical vehicles, small boats, small arms marksmanship, and combat casualty care.

Roles and courses include:
Infantry Marine Course
LAV Crewman
Scout Sniper Course
Reconnaissance Marine
Machine Gunner Course
Mortarman Course
Assault Marine Course
Anti-tank Missile Gunner Course
Infantry Small Unit Leader Course