Krupps 88 was the common name for Germany's series of 8.8 centimeter anti-aircraft guns which were officially called Flak 18, Flak 36 and Flak 37.
Flak 18 entered production in 1933. Its 88mm explosive round had a muzzle velocity of 2700ft/s (820m/s) and a weight of 20.3lb (9.24kg).
Krupps 88 guns were designed to be