The President of the United States of America, authorized by Act of Congress, July 9, 1918, takes pride in presenting the Silver Star (Posthumously) to Warrant Officer, Junior Grade Roscoe Mayo Calcote (ASN: W-906646), United States Army, for conspicuous gallantry and intrepidity in action against the enemy while serving with Battery D, 82d Anti-Aircraft Artillery (Automatic Weapons) Battalion (Self Propelled), 7th Infantry Division, in action near the Chosin Reservoir, North Korea, on 28 November 1950. On this date, the Command Post of the 1st Platoon, where Warrant Officer Calcote was located was taken under attack by a large enemy force which was firing mortars, automatic weapons, small arms and hand grenades. The enemy succeeded in closing into extremely close quarters and began throwing hand grenades into the Command Post. Warrant Officer Calcote, with complete disregard for his own safety, heroically threw a number of the hand grenades back at the enemy. Eventually one of the grenades exploded in his hand before he could throw it, wounding him severely. Despite his serious wound, Warrant Officer Calcote continued firing his pistol at the enemy until he was killed by the fire of an enemy automatic weapon. His heroism saved many of his comrades from being wounded or killed, and his display of gallantry on this occasion was in keeping with the highest traditions of military service and reflects great credit upon himself, his unit, and the United States Army.