The President of the United States of America, authorized by Act of Congress, July 9, 1918 (amended by act of July 25, 1963), takes pleasure in presenting the Distinguished Service Cross to Colonel (Infantry) Arndt Lewis Mueller (ASN: 0-34700), 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 United States Military Assistance Command, Vietnam. Colonel Mueller distinguished himself by exceptionally valorous actions during the period 27 to 29 June 1967 while serving as Senior Advisor, United States Army Advisory Group, III Corps Tactical Zone near Suoi Long Creek. When advised that a Vietnamese Ranger battalion was engaged in a fierce battle with a well-entrenched end determined hostile force, Colonel Mueller immediately flew to the area to evaluate the situation. Flying low into the face of heavy ground fire, he fixed the positions of the enemy although hampered by a dense canopy. He then directed devastating air strikes while calling in other units to reinforce the outnumbered Rangers. Several times during the three-day battle, he landed within the battle area to gather intelligence, aid the ground commanders and keep informed of the changing situation. On numerous occasions he released his own helicopter to evacuate wounded. As the conflict increased, intense enemy fire was placed near Colonel Mueller until an air strike within 300 meters of his position silenced the hostile weapons. Informed that a Viet Cong soldier had been captured, he directed his immediate interrogation, gaining information which aided immeasurably in routing the enemy. His personal bravery and calm presence bolstered the morale of his men and contributed greatly tot heir victory. Colonel Mueller’s extraordinary heroism and devotion to duty were in keeping with the highest traditions of the military service and reflect great credit upon himself, his unit, and the United States Army.