The President of the United States of America takes pleasure in presenting the Silver Star to Private First Class Charles W. Calef (MCSN: 1191842), United States Marine Corps, for conspicuous gallantry and intrepidity while serving as a Radio Operator of Company C, First Battalion, First Marines, FIRST Marine Division (Reinforced), in action against enemy aggressor forces in Korea on 10 August 1952. After his radio was completely destroyed by enemy mortar fragments during a forward movement of his platoon to establish and hold an outpost, Private First Class Calef served as a runner and moved continuously from one foxhole to another carrying messages although under constant enemy small-arms and mortar fire. When ordered to withdraw to the reverse slope of the hill, he unhesitatingly volunteered to return to the devastated area to assist in evacuating four wounded Marines. Exhibiting indomitable spirit, he moved forward under an intense barrage of hostile hand grenades and aided materially in saving the lives of his wounded comrades. By his exceptional valor, initiative and unyielding devotion to duty, Private First Class Calef upheld the highest traditions of the United States Naval Service.