the Messerschmitt factory at Augsburg, the Dornier factory at Oberpfaffenhofen and the Luftwaffe Lechfeld Airfield. IV. Gruppe attacked the third wave of bombers near Aschaffenburg in a frontal attack. During this attack, Unger shot down a B-17 bomber. On 15 April, General der Jagdflieger Adolf Galland visited IV. Gruppe at Salzwedel and announced that the Gruppe was to be converted to a Sturmgruppe following the example of Sturmstaffel 1. In consequence, the Sturmgruppe was placed under the command of Hauptmann Wilhelm Moritz and 11. Staffel was merged with the experimental Sturmstaffel 1 and renamed to 11. Sturmstaffel and placed under the command of Oberleutnant Werner Gerth after Weßling was killed in action on 19 April. On 18, the USAAF Eighth Air Force headed for industrial targets near Berlin. The USAAF 3rd Bombardment Division was intercepted in the area Rathenow and Nauen. During the course of a 20 minutes aerial battle, Unger claimed two B-17 bombers shot down. The following day, the USAAF Eighth Air Force attacked the German aircraft manufacturing and aircraft engine industry as well as various Luftwaffe airfields in Westphalia and Hesse. IV. Gruppe took off at 09:30 and met up with the other two Gruppen of JG 3 near Göttingen and Kassel. During this mission, Unger shot down a B-17. The USAAF Eighth Air Force sent 803 heavy bombers to attack transportation infrastructure in western Germany, including the marshalling yard at Hamm. IV. Gruppe was scrambled at 18:20 and intercepted the bombers of the 2nd Bombardment Division at 19:40. In this encounter, the four aerial victories. This number includes an Herausschuss (separation shot)—a severely damaged heavy bomber forced to separate from its combat box which was counted as an aerial victory—over a Consolidated B-24 Liberator bomber. On 24 April, the USAAF sent its bombers to the German aircraft industry located in southern Germany. At 13:30, Luftwaffe units intercepted the bombers west of Munich. In this encounter, Unger was credited with an aerial victory over a B-17 bomber. The USAAF Eighth Air Force flew its next daylight mission on 29 April, attacking Berlin with 679 heavy bombers of which 618 reached the target area. IV. Gruppe was scrambled at 10:10 and the bombers were first sighted in the area of Magdeburg. Although the bombers were protected by escorting fighters, IV. Gruppe flew two frontal attacks. The Luftwaffe pilots claimed twelve aerial victories and nine Herausschüsse, including one by