Medaris assumed command of the Army Ballistic Missile Agency in 1955 under which Dr. Wernher von Braun and the German Rocket Team developed the Jupiter missile in 1958. On the back of the photo is written: "Medaris".
On back: "Key associates of vonBraun.Dr., pose with Maj. General. Medaris, J.B., immediately prior to the latters retirement from the Army in the fall of 1959.