Reconnaissance Marines train at the United States Marine Corps Combatant Diver Course to become experts at assessing terrain and monitoring enemy activity—an essential part of ensuring victory during amphibious warfare. Text THEFEW (843339) to talk to a recruiter about becoming a Marine. | Marine Corps Recruiting

The Marine Corps Special Operations Command (MARSOC) Individual Training Course trains Marines in five phases, all which require focus, perseverance and an unwavering commitment to mission success. Learn more about the Individual Training Course and the preparation required to be a Marine Raider. | Marine Corps Recruiting

Happy "0311" Day Marines! OORAH USMC Infantry Rifleman! #USMC #Marines #USMCMuseum #USMCHistory #SemperFi | National Museum of the Marine Corps

Infantry Marines, MOS 0311, make up the largest portion of our Marine forces and are trained to be the first to fight and win. | Marine Corps Recruiting

Today, on 03/11, we celebrate our Infantry Riflemen. Continue to locate, close with, and destroy our nation's enemies. #maineffort | U.S. Marine Corps

At Infantry Training Battallion, "31s" train to strategically maneuver and fire heavy machine guns. In teams of two or three, machine gunners' effective fire tactics can overwhelm enemy fire in the field. Think you can make it in our ranks? Text THEFEW (843339). | Marine Corps Recruiting