Parris Island Slideshow - Making Marines
Credit: Pete McElveen, WVEC.com
Most platoons have four drill instructors. The senior drill instructor (SDI) wears a black belt. The assistant drill instructors wear green belts.
Credit: Pete McElveen, WVEC.com
Most platoons have four drill instructors. The senior drill instructor (SDI) wears a black belt. The assistant drill instructors wear green belts.
