There are 13 enlisted ranks in the U.S. Army: Private, Private Second Class, Private First Class, Specialist, Corporal, Sergeant, Staff Sergeant, Sergeant First Class, Master Sergeant, First ...

"Sergeant Rod," as everyone in the platoon called him, was the undisputed father of the platoon - due to his age, the wisdom he acquired from serving nearly two decades in the Army, ...

On October 8, 2011, during a combat mission in Afghanistan, Cerros' platoon came under heavy fire. When his sergeant was shot multiple times, Cerros pulled him to safety.