My guest today is an infantry Master Sergeant in the United States Marine Corps. He has led Marine infantry units on multiple combat deployments. Since he was a young Marine, he has been working on marksmanship and striving for weapons proficiency. We talk about his career from Marine Corps Weapons Training Battalion in Quantico, Virginia to Infantry Unit Leader’s Course (IULC) in Camp Pendleton, CA. Throughout his time in the operational forces and Marine Corps schoolhouses, MSgt Reilly has provided thousands of hours of instruction on marksmanship and trained thousands of Marine leaders and infantrymen. Topics we cover include: How MSgt Reilly became interested in Marine Corps marksmanship and his experience in the Marine Corps The fundamentals of marksmanship How the Marine Corps marksmanship program evolved over the last two decades Breaking institutional ways of thinking and training for combat effectiveness We discuss different weapons systems and their evolution Ballistics a...