By 1940 the ship's anti-aircraft battery was significantly increased, consisting of six 10.5 cm (4.1 in) C/33 guns, four twin-mounted 3.7 cm (1.5 in) C/30 guns and up to twenty-eight 2 cm (0.79 in) Flak 30 guns. By 1945, the anti-aircraft battery had again been reorganized and comprised six 4 cm guns, eight 3.7 cm guns, and thirty-three 2 cm guns.[2]