The well known heavy Browning was a prime weapon on US-produced combat aircraft of ww2. How good/bad would it be for other air forces, if adopted just pre-war? How about further developments of the system, like the Japanese Ho-5 20 mm cannon, or just necking out the cartridge so HE shell might...
Given their short range and CAS function the Hs123 and 129 seem like they filled the role of modern helicopter gunships. Am I off base on that or not? Both are low and slow and heavily armed/armored and fit the role of direct support for ground forces
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