Before they train Marine Corps recruits at boot camp, drill instructors must graduate from Drill Instructor School.

Before they train US Marine recruits, drill instructors must graduate from Drill Instructor School. Insider spent three days at Drill Instructor School in Parris Island, SC. The training lasts 11 ...

How to become a Marine Drill Instructor Marines going through Drill Instructor school open up about why they chose the path, and what the program is like.

How do Marine drill instructors learn to scream loud enough to train new troops? Go inside the Marine Drill Instructor School, where troops learn to become the men and women who led their intimidating ...

Sgt. Julie Martinez, a drill instructor from 4th Battalion at Marine Corps Recruit Depot Parris Island, South Carolina, instructs Marine Corps Recruiting Substation Chandler enlistees to do high-knees ...

Before they train Marine Corps recruits at boot camp, drill instructors must graduate from Drill Instructor School. Insider spent three days at the Marine Corps Recruit Depot in Parris Island, South ...