Leopard 2

The  is a German main battle tank, and the second incarnation of the Leopard series of tanks. It is currently in service with the German Heer, and is set to appear in the upcoming game Call of Duty: Modern Warfare 3.

Call of Duty: Modern Warfare 3
It appears briefly in the Modern Warfare 3 teaser trailer in Berlin firing its 120mm main gun at an unseen target.