, [quote=Dutchbag]
You really don't know what you're talking about. If you don't take the IS-3 seriously, you're killing yourself. Main Battle Tanks became common good after Korea, and the T-54 was designated as a medium tank when it first rolled out. The USSR is in 1950 still developing the Stalin family of tanks, that's how outdated it is. Even if it is, your army is stuck in that era.1945? Outdated.And you weren't given a thing. You barely have an army.
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Main battle tank concept began in WWII with medium tanks evolving into the roll as armor became less useful due to increasingly effective main guns. Also i was given a great deal, including 4 regiments worth of heavy tanks. You like the IS-3 so much but seem to be forgetting I have them too. 

[quote=Vaexa]
You still lack a way to counter the IS-3 and Russian air superiority. The former isn't such a major thing. The latter /is/. I wouldn't put it beyond Russia to start bombing Polish cities if they get bogged down. You're not Afghanistan, you do not have the US as your friendly weapon-providing friend. Once you piss Russia off, that's /it/. You cut off your own weapon supply, and are suddenly surrounded by people who really do not like you.
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We are still in an era were airplanes have difficulty against ground armor actually. Post war tests showed most weapons were not accurate enough or not powerful enough to actually known out a tank and the necessary missile developments have not progressed to the point where you will see many AFVs defeated by airpower. I also have a noticeable sea border, if the USSR chooses to invade the US and UK will likely extend a hand of friendship.