While his company was being held up by heavy enemy fire, Pvt. Morelock, with three other men who were acting as runners at company headquarters, voluntarily led them as a patrol in advance of his company's front line through intense rifle, artillery, and machine-gun fire and penetrated a woods which formed the German front line. Encountering a series of five hostile machine-gun nests, containing from one to five machine guns each, with his patrol he cleaned them all out, gained and held complete mastery of the situation until the arrival of his company commander with reinforcements, even though his entire party had become casualties. He rendered first aid to the injured and evacuated them by using stretcher bearers 10 German prisoners whom he had captured. Soon thereafter his company commander was wounded and while dressing his wound Pvt. Morelock was very seriously wounded in the hip, which forced his evacuation. His heroic action and devotion to duty were an inspiration to the entire regiment.