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Previously tanks had been lumbering battleships or fast but fragile tankettes, so combining speed, protection, and firepower into one package was a huge challenge and would require an innovative design. It would also carry a bigger cannon than the T-26, giving it the ability to take on fortifications as well as enemy tanks. In response, Red Army planners drew up specifications for a new 26-ton medium tank, one which would be fast and mobile but also much better protected.
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“These tanks take heavy losses without fail,” wrote defense minister Voroshilov in 1937. The big problem was that the T-26 was too easily destroyed by light anti-tank weapons and even improvised weapons, liked Molotov cocktails. But they had some unacceptable weaknesses.
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Years before Operation Barbarossa, Soviet T-26 tanks had easily outmatched German and Italian tanks during the Spanish Civil War. A formation of Soviet T-26 model light tanks, 1936.
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