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 shirts to support your recruit in boot camp!
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You choose the location (Parris Island or San Diego), Battalion Number, and Company.
1st Battalion Monday, Wear Red!
2nd Battalion Tuesday, Wear Yellow!
3rd Battalion Wednesday, Wear Blue!
