Who was the commanding  Lieutenant General of ARCENT?
XX Corps (United States) The XX Corps of the United States Army fought from northern France to Austria in World War II. Constituted on 10 October 1943 by re-designating the IV Armored Corps of the Army Ground Forces, a training organization which had been activated at Camp Young, California on 5 September 1942, XX Corps became operational in France as part of Lieutenant General George S. Patton's U.S. Third Army on 1 August 1944.
Andre Lucas Lieutenant Colonel Andre Cavaro Lucas (October 2, 1930 – July 23, 1970) was killed in action while serving as the commanding officer, 2nd Battalion, 506th Infantry, 101st Airborne Division, United States Army, at Fire Support Base Ripcord in Thua Thien Province, South Vietnam.