Below you can see the overview of the entire Marine Corps Base Quantico. (Gray in the non-satellite or “after” map view) Mainside “Quantico mainside” is to the east of I-95, and contains Officer Candidates School and the bulk of the rest of the support staff and other units at MCB Quantico. [twentytwenty] [/twentytwenty] TBS Location The Basic School is located to the west amidst the … Continue reading The Basic School Camp Barrett Map