This document summarizes information about four United States military heroes who received the Medal of Honor: - Paul R. Smith, an Army soldier who manned a machine gun under enemy fire to allow other soldiers to withdraw safely and helped defeat an enemy attack, being mortally wounded in the process. - Jason L. Dunham, a Marine corporal who threw himself on a grenade to save his fellow Marines from an attack. - Michael P. Murphy, a Navy officer who repeatedly exposed himself to enemy fire to call for assistance for his wounded soldiers, continuing to engage the enemy until he was mortally wounded. - Michael A. Monsoor, a Navy SEAL who covered a live grenade with his