To ensure the report would be valid, Ailes made a comprehensive survey comparing the training techniques of the Marines, Army, Navy and Air ... the formation of Drill Sergeant Schools.

Retired US Army drill sergeant Lamont Christian rates more boot ... of training outside basic combat training, such as the Navy SEALs' training in "American Sniper," starring Bradley Cooper ...

Retired US Army drill sergeant Lamont Christian rates US military boot-camp scenes in movies and TV shows for realism. Christian breaks down the early stages of boot camp in "Full Metal Jacket ...