The Vickers .5 inch machine gun also known as the Vickers .50 was a large-calibre British automatic weapon. The gun was commonly used as a close-in anti-aircraft weapon on Royal Navy and Allied ships, typically in a four-gun mounting (UK) or two-gun mounting (Dutch), as well as tanks and other armoured fighting vehicles. It was similar to the .303 in (7.7 mm) Vickers machine gun but fired the enlarged calibre British Vickers 0.5-inch (12.7 mm) ammunition; this round was shorter in length than the American .50 BMG (12.7×99mm).
The Terrible Twins- They Man Twin Turrets. 5 May 1943, Yarmouth, 24 Year-old Thomas and Ernest Barber of Plaistow, Who Man Twin Turrets in One of Our Light Coastal Craft Which Took Part in the Recent Attack on A16356
Hm Destroyer Westminster and Sloop Widgeon Rout Strong E-boat Force. 18 April 1943, Harwich, the British Destroyer HMS Westminster and the Sloop HMS Widgeon Attacked and Routed a Strong Force of E-boats Off the A15972
HMS Suffolk on Patrol in the Denmark Straits, 1941 A4224
Vickers-KrasnyyKavkaz
Minesweeping on the Mediterranean War Routes. 18 December 1942, Aboard HMS Calm in the Eastern Mediterranean. Men Aboard the Little Ships Doing One of the Most Important, Most Dangerous and Most Uncomfortable W A13608