EntityQ1620698· pop 18· linked from 288 articlesHS.404Sign in to save20 mm autocannonConnectionsWorld War IIConceptNorth American P-51 MustangEntityVought F4U CorsairEntityautocannonEntityMorane-Saulnier M.S.406Entitygas-operationEntityblowbackEntityWhirlwindEntityRemington 51EntityThompson AutorifleEntityHondurasCountryWorld War IConceptradioEntitymetreEntityVietnam WarConceptBritish EmpireEntityInternational Standard Book NumberEntitykilogramEntityCommonwealth of NationsEntityKorean WarEntityCategories20 mm artilleryAircraft gunsAutocannonEngine gunsGas-delayed blowback firearmsHispano-SuizaMilitary equipment introduced in the 1930sWorld War II weapons of FranceWorld War II weapons of the United KingdomWorld War II weapons of the United States