For conspicuous gallantry and intrepidity at the risk of his life above and beyond the call of duty while serving as a machine gunner with Combined Action platoon 1-3-2. During the early morning L/Cpl. Keith was seriously wounded when his platoon was subjected to a heavy ground attack by a greatly outnumbering enemy force. Despite his painful wounds, he ran across the fire-swept terrain to check the security of vital defensive positions and then, while completely exposed to view, proceeded to deliver a hail of devastating machine gun fire against the enemy. Determined to stop 5 of the enemy soldiers approaching the command post, he rushed forward, firing as he advanced. He succeeded in disposing of 3 of the attackers and in dispersing the remaining 2. At this point, a grenade detonated near L/Cpl. Keith, knocking him to the ground and inflicting further severe wounds. Fighting pain and weakness from loss of blood, he again braved the concentrated hostile fire to charge an estimated 25 enemy soldiers who were massing to attack. The vigor of his assault and his well-placed fire eliminated 4 of the enemy soldiers while the remainder fled for cover. During this valiant effort, he was mortally wounded by an enemy soldier. By his courageous and inspiring performance in the face of almost overwhelming odds, L/Cpl. Keith contributed in large measure to the success of his platoon in routing a numerically superior enemy force, and upheld the finest traditions of the Marine Corps and of the U.S. Naval Service.