SOI: School of Infantry
It's What's After Boot Camp
All graduates of Marine Corps recruit training attend the School of Infantry (SOI). At SOI, they will train with one of two training battalions, either MCT or ITB. All non-infantry Marines attend training at Marine Combat Training Battalion (MCT), while infantry Marines (all Marines with a Military Occupational Specialty (MOS) of 03xx) attend training at Infantry Training Battalion (ITB).
Wear These DURING Boot Camp!
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Support your recruit during boot camp and wear the shirts for thirteen weeks on Battalion day and wear the wristbands every day!