Even so, most DIs develop that raspy "frog voice." Losing their voice is inevitable, especially during the first phase of boot camp when orders are constantly barked.But at school, they try to teach new DIs how to prevent voice problems turning into something permanent, Craven said.Under the wide brims of smokey hats, the perfectly squared-away uniforms and almost caricature-like demeanors are noncommissioned officers and staff NCOs from a wide range of military occupational specialties.They decide, often with some trepidation, to return to boot camp to fill a special-duty assignment. At its best, it's masterful performance art, but with a twist — the tremendous personal responsibility they feel for building raw recruits into disciplined Marines.
They share the remembrances of dread when they incurred their DI's wrath.
Their job is turning civilians into Marines, and there's a specific process that has to occur in order for that to happen in a 13-week period.
"There are kids who came up in areas that have no values, and to them, stealing or taking things that didn't belong to them was acceptable," Brennan said.
"You've been shot at, you've been IEDed, you've been shelled, you've gotten married and have been there for the birth of your child, yet you stand here saying 'good morning' when it's obviously the middle of the night." Sgt.
Nicholas Lanier, a senior DI who recently wrapped up his three-year tour and headed to 3rd Battalion, 1st Marines, at Camp Pendleton, California, said going back to boot camp was a huge adjustment.