sentences:  Disregarding personal safety, he moved to a shallow depression for a better firing vantage.Unable to deliver effective fire from his defilade position, he left his shelter, moved through heavy fire in full view of the enemy and, firing into the ranks of the relentless assailants, inflicted numerous casualties, momentarily stemming the attack.Later during another vicious onslaught, he observed an enemy squad infiltrating the position and, counterattacking, killed or wounded the entire group.