Lance Cpl. Ryan Chandrapaul, the ammunition chief and armory chief for Sierra Battery, 5th Battalion, 11th Marine Regiment, and 21-year-old St. Cloud, Fla. native, orders, tracks and secures everything from rockets to machine guns. - Lance Cpl. Ryan Chandrapaul, the ammunition chief and armory chief for Sierra Battery, 5th Battalion, 11th Marine Regiment, and 21-year-old St. Cloud, Fla. native, orders, tracks and secures everything from rockets to machine guns.