It was George Marshall’s design.
Three twelve-man squads, lead by NCO’s, mad up a platoon.
Three platoons, each led by a lieutenant, made up a company.
Three companies, each led by a captain, made a batallion.
Three batallions, each under a major, or lieutenant-colonel, made a regiment.
Three regiments, each commanded by a colonel, made up a division.
Each division was commanded by a general.
Latest Comments