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History
Becker Type M2 20 mm cannon
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The Becker Type M2 20 mm cannon was a German autocannon developed for aircraft use during World War I by Stahlwerke Becker. It was first mass-produced in 1916 and was installed in a variety of aircraft. It was the only German autocannon to see service in the air during the war.
An artist's rendering of a Becker antiaircraft gun
An artist's rendering of a Becker antiaircraft gun
Oskar Ursinus operated a 20 mm Becker cannon in the front cockpit of a Gotha G.I
Oskar Ursinus operated a 20 mm Becker cannon in the front cockpit of a Gotha G.I
Oerlikon 20 mm cannon
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The Oerlikon 20 mm cannon is a series of autocannons based on an original German Becker Type M2 20 mm cannon design that appeared very early in World War I. It was widely produced by Oerlikon Contraves and others, with various models employed by both Allied and Axis forces during World War II. Many versions of the cannon are still used today.
Oerlikon 20 mm cannon in French service
Oerlikon 20 mm cannon in French service
A Royal Navy Oerlikon gunner at his gun mount aboard the Dido-class cruiser HMS Dido in 1942
A Royal Navy Oerlikon gunner at his gun mount aboard the Dido-class cruiser HMS Dido in 1942
Diagrams showing basic design and color-coding of British HE/incendiary, tracer and HE/incendiary/tracer shells for the 20 mm Oerlikon gun
Diagrams showing basic design and color-coding of British HE/incendiary, tracer and HE/incendiary/tracer shells for the 20 mm Oerlikon gun
1945, a row of 20 mm Oerlikon guns aboard the Essex-class aircraft carrier USS Hornet
1945, a row of 20 mm Oerlikon guns aboard the Essex-class aircraft carrier USS Hornet