I'd say its a toss up between the Sherman and the Tiger. I mean come on, even if you know diddly about WWII, most everyone can differentitate between a Sherman and a tiger.

__________________

"One asks oneself; Why not me?
But a bullet does not ask about me or you"

~Leutenant Alfred Regeniter, 3rd Battery, Sturmgeschutz, Brigade 276, holder of the Knights Cross