I can definitely relate to him coming from security forces to the fleet. It was called Barracks Duty in my day which turned into Fast. The grunts didn't embrace you right away you had to earn their respect!
It's funny how we Americans seem to think we can draw the "real" ideas or "meanings" behind mysteries suck as the Pyramids thousands of years after their own folks who know best have settled on certain conclusions...and we ride the wave of these TV shows and Cable pieces that sensationalize shit for views. Common guys.