The Iron Mountain Heavy Tank was the main battle tank of the People's Liberation Army of China during the Venezuelan Civil War in 2010, equipped with a 1 x 125mm Smoothbore gun, a 1 x .50cal coaxial machine gun, and a gunner-operated .50 caliber machine gun. Similar to the Diplomat Heavy Tank of the US Army in terms of armor (which included a weak rear armor), the Iron Mountain saw service in Venezuela.