The President of the United States of America, authorized by Act of Congress, July 9, 1918 (amended by act of July 25, 1963), takes pride in presenting the Distinguished Service Cross (Posthumously) to First Sergeant Earl Thomas Shaffer, Sr. (ASN: RA-34761131), United States Army, for extraordinary heroism in connection with military operations involving conflict with an armed hostile force in the Republic of Vietnam, while serving with Company A, 5th Battalion, 7th Cavalry, 3d Brigade, 1st Cavalry Division (Airmobile). First Sergeant Shaffer distinguished himself by exceptionally valorous actions on 9 December 1968 during a search and clear mission in a rubber plantation in Binh Long Province. His company’s mortar platoon was attacked by an estimated two companies of North Vietnamese regulars. The three other platoons attempted to reach the besieged element, but were halted by intense fire from several enemy machine guns, forcing them to deploy into a defensive perimeter. Despite the repeated assaults of the numerically superior foe, Sergeant Shaffer insisted on continuing to the stranded platoon. Moving beyond his company’s perimeter, he crawled past several hostile machine gun positions to the surrounded unit’s location where he found six men wounded and in need of medical attention. He treated the men while remaining exposed to intense enemy fire. Spotting the platoon leader lying seriously wounded, he unhesitatingly went to his assistance, although warned the man’s position was covered by an enemy machine gun. He was able to reach him, but was fatally wounded as he began to render medical aid. First Sergeant Shaffer’s extraordinary heroism and devotion to duty, at the cost of his life, were in keeping with the highest traditions of the military service and reflect great credit upon himself, his unit, and the United States Army.