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Allied Forces drop depth charges on a German submarine and force her to surface i...HD Stock Footage

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No major battles for the depth charges. In 1915 to 1917 the depth charges only destroyed nine U-Boats.

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The Depth Charge during WWI was basically a barrel filled with explosives and a timer that was set to detonate at a certain depth. This was quite effective because they didn't operate at great depths. It was mainly used on Submarines throughout the war.

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The British developed the depth Charge in WWI for use against the Germans in late 1915.