The 20mm cannon is a weapon used by all sides (the United Civilized StatesEurasian Dynasty, and Lunar Corporation) in Earth 2150


The 20mm cannon is a rapidly-firing, direct weapon which has a very low damage rate but ignores shields. It can also engage aircraft, meaning it will likely be used as an air defense weapon before the Rocket Launcher is produced,but has four ammunition upgrades (and itself, plenty of ammunition). It can be mounted in light weapon slots like on the UCS Tiger walker and the ZK Taiga, and in some circumstances on top of other weapons like on the Eurasian Dynasty's 120mm Cannon.