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Maus Trials, 1944

Black and white photograph of 12 men, some in military uniforms, standing on and around a very large angular armoured vehicle in a forest.

Collection of the Imperial War Museum

The massive Panzerkampfwagen VIII ‘Maus’ (Mouse), on trials in late 1944. Intended as a super-heavy breakthrough vehicle, it was never completed, and the prototype was captured by Soviet forces in 1945. The Maus remains one of the largest and heaviest hybrid-electric vehicles ever developed, and the largest conceived by Ferdinand Porsche.