I won't tell you when you get the promotions, it will ruin the surprise, but I will tell you that you can get promoted all the way up to Field Marshal.
Which gives you the power to ban Pan-Tigers!
Hahaha!
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HL Panzer III | HL Tiger | HL Jagdpanther | HL Panther | Mato Sherman
Hooben Elefant | HL Pershing | HL Bergepanzer IV | Tamiya Leopard 1A | WSN T-34
HL "Golden" Pan-Tiger | M16 Halftrack | HL Panzer IV | Tamiya KV-1 | Tamiya Tiger