Schwerer Gustav - The Greatest, And Most Useless Gun Ever Put Into Combat - Military-wiki

Gustav fired a total of 48 shells at Sevastopol, most of which were aimed at Soviet fortresses. Berlin threw away more 1,000 tons of steel for 48 shots.

Krupp 80 cm Kanone Schwerer Gustav (Dora) Railway Gun

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These are the 6 largest guns ever used in combat

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Schwerer Gustav: Largest Gun Mankind Has Ever Built

Schwerer Gustav - The Greatest, And Most Useless Gun Ever Put Into Combat - Military-wiki

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Schwerer Gustav Wiki

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