 Mid-way through the offensive, Albert Speer, armaments minister, and other technocrats, drawing on the experience of RAF Bomber Command's offensive over Germany, intervened and began medalling in target selection.Speer formed a committee "Working Committee on Economic Objectives for Air Attack" on 23 June 1943.Joachim von Ribbentrop's liaison, Walther Hewel even felt the need to write to Jeschonnek on 12 June with recommendations on targets in the Soviet hinterland.