The Flak 30 (Flugzeugabwehrkanone 30) and improved Flak 38 were 20 mm anti-aircraft guns used by various German forces throughout World War II. It was...

20 mm caliber is a specific size of popular autocannon ammunition. The dividing line between smaller-caliber weapons, commonly called "guns", from larger-caliber...

20mm caliber 2 cm Flak 30/38/Flakvierling 20 mm modèle F2 gun 25 mm Hotchkiss anti-aircraft gun Hispano-Suiza HS.404 Type 96 25 mm AT/AA gun Type 99 cannon...

The UK utilized their own improved version of the Oerlikon, known as the Polsten, originally developed in Poland to simplify design and production costs...

grenade launcher Polsten: Polish/British 20 mm anti-aircraft gun PzB 41: German 28 mm light antitank gun QF 2 Pounder: British 40 mm light tank gun and...

nearly all major armies possessing them used 37 mm ammunition (the British Army used the slightly larger 40 mm 2-pounder gun). As World War II progressed,...

II 20 Oerlikon 20 mm cannon  Switzerland Interwar / World War II / Cold War 20 2 Hispano-Suiza HS.404  France World War II / Korean War 20 2 cm FlaK 30...

War II 20 mm (0.79 in) 20 mm Oerlikon  Switzerland World War II - Cold War 20 mm (0.79 in) 20 mm Polsten  Poland World War II - Cold War 20 mm (0.79 in)...

2 cm FlaK 30  Nazi Germany 20 mm anti-aircraft gun 2 cm FlaK 38  Nazi Germany 20 mm anti-aircraft gun 2 cm Flakvierling 38  Nazi Germany 20 mm quad anti-aircraft...

joined the following day by D and E Troops of 92nd and four triple 20 mm Polsten mountings from 93rd LAA (the other Loyals LAA unit). That day (D + 3)...

Gilbert) 320 Bty, 93rd LAA Rgt (20 mm Polsten guns) RHQ 120th LAA Rgt 394 and 395 Btys, 120th LAA Rgt (Bofors 40 mm guns) One Trp 356 (Independent) Searchlight...

with towed and self-propelled (SP) 40 mm Bofors guns, and a troop of 93rd LAA Rgt equipped with the new 20 mm Polsten gun in triple mountings, half towed...