(From left to right) Karl L. Heimburg, Director of the Test Laboratory; Dr. Wernher von Braun, Director of the Development Operation Division; and Major General John B. Medaris with the model of S-1B Test Stand. Gen. Medaris was a Commander of the Army Ballistic Missile Agency (ABMA) in Redstone Arsenal, Alabama, during 1955 to 1958.

Dr. Wernher von Braun, Director of the U.S. Army Ballistic Missile Agency's (ABMA) Development Operations Division, talks to Huntsville Mayor R. B. "Speck" Searcy, center, and Army Ordnance Missile Command (ARMC) Major General John B. Medaris, right, during "Moon Day" celebrations in downtown Huntsville, Alabama. (Courtesy of Huntsville/Madison County Public Library)

This photograph shows Dr. von Braun, second from the left, in the blockhouse at the Florida launch facilities on March 3, 1959. He and others gathered for the launch of the Pioneer IV satellite. On the left of Dr. von Braun is Kurt Debus, who managed the Florida launch facilities. To the right of Dr. von Braun is Army General John B. Medaris. Next to him is General John Barclay. At this time, Dr. von Braun and his associates were members of the Army Ballistic Missile Agency in Huntsville, Alabama.