Iron Dome is an Israeli mobile all-weather air defense system, developed by Rafael Advanced Defense Systems and Israel Aerospace Industries. The system is designed to intercept and destroy short-range rockets and artillery shells fired from distances of 4ย to 70 kilometres (2โ43ย mi) away and whose trajectory would take them to an Israeli populated area. From 2011 to 2021, the United States contributed a total of US$1.6ย billion to the Iron Dome defense system, with another US$1ย billion approved by the US Congress in 2022.