Heavy AA gun
British anti-aircraft gunners firing a 94-mm cannon (Ordnance QF 3.7 inch). The 3.7-Inch QF AA was Britain's primary heavy anti-aircraft gun during World War II. It was used throughout the war in all theaters except the Eastern Front.
This is a companion discussion topic for the original entry at https://www.ww2incolor.com/gallery/british-forces/51089/heavy-aa-gun