video of HMS Scylla fighting the Luftwaffe with her 4.5 inch guns while protecting convoy PQ18 Westwood Works in World War 2. The 4.5" Anti-Aircraft Gun 113 mm artillery Cold War artillery of the United Kingdom World War II artillery of the United Kingdom World War II anti-aircraft guns Naval anti-aircraft guns World War II naval weapons of the United Kingdom Naval guns of the United Kingdom Coastal artillery