QF 3.7 Inch AA Gun
The 3.7-Inch QF AA was Britain's primary heavy anti-aircraft gun during World War II. It was roughly the equivalent of the German 88 mm FlaK and American 90mm, but with a slightly larger calibre of 94 mm. It was used throughout World War II in all theatres except the Eastern Front. The gun was produced in six major variants, two versions (mobile and fixed) and in considerable numbers. The Mk VI ordnance used only with a fixed mounting gave vastly increased performance. It remained in use after the war until AA guns were replaced by guided missiles, notably the English Electric Thunderbird, in the late 1950s.
Read more about QF 3.7 Inch AA Gun: Performance, Field and Anti-tank, Operators
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