How Do Marine Drill Instructors Avoid Losing Their Voices?
Drill instructors maintain vocal strength by using diaphragm-driven shouting, intentionally straining and recovering the voice, and using remedies like lozenges, tea, pickle or lime juice.
Every Rifle the U.S. Marines Have Used Since Vietnam
The U.S. Marine Corps is a small, highly versatile, expeditionary combat force with rigorous 13-week boot camp, global deployments, and essential firearms for combat missions.