Anton "Toni" Hackl was a German Luftwaffe military aviator during World War II, a fighter ace credited with 192 enemy aircraft shot down in over 1,000 combat missions. The majority of his victories were claimed over the Eastern Front, with 87 claims over the Western Front. Of his 87 victories over the Western Allies, at least 32 were four-engined bombers, a further 24 victories were unconfirmed.

Jagdgeschwader 11 was a fighter wing of the German Luftwaffe during World War II. Its primary role was the defense of Northern Germany against Allied day bomber raids. Formed in April 1943 as a split from Jagdgeschwader 1, the unit primarily used the Messerschmitt Bf 109 and Focke-Wulf Fw 190.