C-RAM
Counter rocket, artillery, and mortar, abbreviated C-RAM or counter-RAM, is a set of systems used to detect and/or destroy incoming rockets, artillery, mortars and drones before they hit their targets, or provide early warning. == Types == === United States: Land Phalanx Weapon System === The 20 mm Land-Based Phalanx Weapon System (also called Centurion C-RAM) is a land-based variant of the U.S. Navy's Phalanx close-in weapon system, a radar-controlled rapid-fire gun for close-in protection of vessels from missiles.