The T30 Heavy Tank was a World War II American tank project developed to counter new German tanks, such as Tiger I, Tiger II, and the Jagdtiger or Soviet heavy tanks, such as IS-1 or IS-2. It weighted 142,000 pounds, had a 155mm gun and 11 inches of armor on the turret.
Leopard 2: developed by Krauss-Maffei in the early 1970s for the West German Army. The tank first entered service in 1979 as the main battle tank of the German Army. More than 3,480 Leopard 2s have been manufactured. The Leopard 2 first saw combat in Kosovo with the German Army and has also seen action in Afghanistan with the Danish and Canadian contributions to the International Security Assistance Force.
German heavy Tiger II tank preserved at Bovington Tank Museum, UK. The final official German designation for the Tiger II was Panzerkampfwagen Tiger Ausf. B, often shortened to Tiger B. The ordnance inventory designation was Sd.Kfz. 182. It is also known under the informal name Königstiger (the German name for the "Bengal tiger"), often mistranslated as King Tiger or Royal Tiger by Allied soldiers.