. "0020" . "2nd Tank Battalion" . . . "0020" . . . . . . "2nd Medium Tank Battalion" . "Armor protected firepower and shock action." . "2nd Tank Battalion" . . . . . . . . . . . . . . . . . . "Battalion" . "\\\"Ace in the Hole\\\"" . . . . . "2nd Tank Regiment" . . . . . . "2d Tank Battalion" . . . . . .