I WAS a DI at Parris Island, and Ermey was spot-on with his role
My uncle Tom, who was in the Marines during that time said as much.
CC
He was, absolutely. When he came into the squadbay for the first time I could close my eyes and picture clearly my primary DI coming into our Quonset huts at MCRD. Even his dialog was damned close to what I remember. Most of the boot camp scenes mirrored my experience at that time.