This is one of the 20mm Cannon Shells fired by Mosquito II DD612, flown by my father (Group Captain R G Slade) on the night of 22-8-1942. My father and his navigator shot down a Dornier 217 E-4 U5 ...

Antiaircraft guns (also known as “flak guns”) have been the been the ... namely Sweden’s 40mm Bofors and Switzerland’s 20mm Oerlikon guns. The inspiration for the 40mm Bofors gun traces ...