ヴィッカース重機関銃
In 1940 a modified craft, the motor gun boat (MGB), was introduced. These were armed with weapons such as the 0.5 in Vickers machine gun, 2 pounder (40mm) "pom pom", a single or twin 20 mm Oerlikon cannon and ultimately the 6-pounder (57 mm) gun with autoloader.