WWII Decisions Online · 10,000 tanks, and nothing on paper
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21 July 1941
Moscow, USSR
Europe🇷🇺 SUEngineering & ProductionSupply Chain

10,000 tanks, and nothing on paper

Nikolai Astrov, chief engineer of the design bureau at Factory No. 37

On 20 July 1941, a month after Barbarossa was launched, the State Defense Committee (GKO) signed Decree No. 222ss: produce 10,000 light tanks. The problem is that the tank to be mass-produced does not yet exist on any drawing. At Factory No. 37 in Moscow, engineer has to decide very quickly.

3 paths lie open to him. Continue with the amphibious T-40 already in production, though its floating hull, complex and costly, slows down the assembly lines. Develop a more ambitious land-based version, better armored and better armed, at the cost of more tooling and longer delays. Or start over from an already-sketched non-amphibious prototype, radically simplified, one that could be built on existing automobile lines.

Every day counts: the Wehrmacht is advancing, and the has lost thousands of armored vehicles. The tank that is chosen will soon equip entire converted factories.

Chief engineer in Moscow, July 1941: which light tank to design for the GKO's mass order?

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