Marine Corps Base Quantico is of the largest Marine Corps training bases and is located in southern Prince William County, in Triangle, VA. The FBI and DEA have training facilities on MCB Quantico as well.
For more information, please visit the official Marine Corps Base Quantico website.
Several communities in Prince William County are close to MCB Quantico: Dumfries, Stafford, Lake Ridge, Montclair, just to name a few.
