Marine Corps Boot Camp Terminology and Acronyms
Learn some of the earliest terminology your recruit is taught during boot camp.
Posted on 12/6/2025
There are literally thousands of acronyms in the United States Marine Corps (USMC) and all branches of the military and there are hundreds of new terms to learn. This reference is a starting point for recruit families—those that are most important to learn during recruit training. After graduation, there are additional resources with more terminology on the primary website for MarineParents.com. But these are the most important to learn at this time.
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!






