File:Schwerer Gustav Grenade.JPG - Wikimedia Commons

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11 World War II, 1942-43

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Pin on WWII

WORLD WAR II GERMAN NEWSREEL SIEGE OF SEVASTOPOL SCHWERER GUSTAV GUN 1942 EASTERN FRONT 40884 : Free Download, Borrow, and Streaming : Internet Archive

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If the gun were designed for it, could an artillery round use C4 or some other exotic explosive as a propellant? - Quora

Gustav gun hi-res stock photography and images - Alamy