The 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 away and whose trajectory would take them to an Israeli populated area. From 2011 to 2021, the United States contributed a total of US$1.6 billion to the Iron Dome defense system, with another US$1 billion approved by the US Congress in 2022.
Iron Dome was declared operational and initially deployed on 27 March 2011 near Beersheba. On 7 April 2011, the system successfully intercepted a rocket launched from Gaza for the first time. On 10 March 2012, The Jerusalem Post reported that the system shot down 90% of rockets launched from Gaza that would have landed in populated areas. In late 2012, Israel said that it hoped to increase the range of Iron Dome's interceptions, from a maximum of and make it more versatile so that it could intercept rockets coming from two directions simultaneously.
In November 2012, official statements indicated that it had intercepted over 400 rockets. By late October 2014, the Iron Dome systems had intercepted over 1,200 rockets. – Defensenews.com, 27 October 2014 In addition to their land-based deployment, it was reported in 2017 that Iron Dome batteries would in future be deployed at sea on Sa'ar 6-class corvettes, to protect offshore gas platforms in conjunction with Israel's Barak 8 missile system.Report: Hezbollah Threats Prompt Israel to Add Extra Iron Fone Systems on Warships Jerusalem Post, 28 March 2017 On 11 May 2026, US Ambassador to Israel Mike Huckabee disclosed that Israel has sent Iron Dome batteries and "personnel to help operate them" to the UAE to counter Iranian assaults.
Background Hezbollah, based in Lebanon, fired rockets into northern Israeli population centers in the 1990s, posing a security challenge for the Israel Defense Forces. In the years following Israel's Ministry of Defense's Research and Development department floating the idea of a short-range antimissile system until its later U.S. September 2009 assessment, Iron Dome was met with unanimous skepticism by U.S. defense officials due to their country's cheaper and more accurate Vulcan Phalanx system and near-unanimous skepticism by Israeli top counterparts.
In 2004, the idea for Iron Dome gained momentum with the installation of Brig. Gen. Daniel Gold as the head of the research and development bureau of the Israel Defense Forces (IDF). Gold was a strong backer of the antimissile project, even skirting army contracting regulations to secure financing. He also helped persuade key politicians to support the project.
During the 2006 Second Lebanon War, approximately 4,000 Hezbollah-fired rockets (the great majority of which were short-range Katyusha rockets) landed in northern Israel, including on Haifa, the country's third largest city. The rocket barrage killed 44 Israeli civilians and caused some 250,000 Israeli citizens to evacuate and relocate to other parts of Israel while an estimated 1 million Israelis were confined in or near bomb shelters during the conflict.
To the south, more than 8,000 projectiles (estimated at 4,000 rockets and 4,000 mortar bombs) were fired indiscriminately into Israel from Gaza between 2000 and 2008, principally by Hamas. Almost all of the rockets fired were Qassams launched by 122 mm Grad launchers smuggled into the Gaza Strip, giving longer range than other launch methods. Nearly a million Israelis living in the south were within rocket range, posing a serious security threat to the country and its citizens.
In February 2007, Defense Minister Amir Peretz selected Iron Dome as Israel's defense against this short-range rocket threat. Since then, the $210 million system has been developed by Rafael Advanced Defense Systems working jointly with the IDF.
In May 2021 it was estimated that Palestinian militant groups had an arsenal of about 30,000 rockets and mortar bombs in Gaza, all of which could be potential targets for Iron Dome if fired. Range varies widely, and guidance systems are lacking, but accuracy has improved over the years.
Name Project leader Colonel S. and his team in the Administration for the Development of Weapons and Technological Infrastructure (Maf'at) needed an appropriate name for the system. According to Colonel S.
Specifications The system is designed to counter short-range rockets and 155 mm artillery shells with a range of up to . According to its manufacturer, Iron Dome will operate day and night, under adverse weather conditions, and can respond to multiple threats simultaneously.
Iron Dome has three central components: Detection & Tracking Radar: the radar system is built by Elta, an Israeli defense company and subsidiary of Israel Aerospace Industries, and by the IDF. Battle Management & Weapon Control (BMC): the control center is built for Rafael by mPrest Systems, an Israeli software company. Missile Firing Unit: the unit launches the Tamir interceptor missile, equipped with electro-optic sensors and several steering fins for high maneuverability. The missile is built by Rafael. A typical Iron Dome battery has 3–4 launchers (20 missiles per launcher).
The system's radar is referred to as EL/M-2084. It detects the rocket's launch and tracks its trajectory. The BMC calculates the impact point according to the reported data, and uses this information to determine whether the target constitutes a threat to a designated area. Only when that threat is determined, an interceptor missile is fired to destroy the incoming rocket before it reaches the predicted impact area.
Comparison to a typical battery The typical air defense missile battery consists of a radar unit, missile control unit, and several launchers, all located at the same site.
Conversely, Iron Dome is built to deploy in a scattered pattern. Each launcher, containing 20 interceptors, is independently deployed and operated remotely via a secure wireless connection. Reportedly, each Iron Dome battery is capable of protecting an urban area of approximately .
Funding The initial funding and development of the Iron Dome system was provided and undertaken by Israel. This allowed for the deployment of the first two Iron Dome systems.10 Iron Domes for IDF IsraelDefense 13 June 2012 Subsequently, funding for additional Iron Dome systems—along with repeated funding for the supply of the interception missiles—has been provided by the United States. From 2011 to 2021, the US contributed a total of US$1.6 billion to the Iron Dome defense system, with another US$1 billion approved by the US Congress in 2022.
Funding for the production and deployment of these additional Iron Dome batteries and interceptor missiles was approved by the United States Congress, after being requested by President Barack Obama in 2010. In May 2010, the White House announced that Obama would seek $205 million from Congress in his 2011 budget, to spur the production and deployment of additional Iron Dome batteries. White House spokesman Tommy Vietor stated, "The president recognizes the threat missiles and rockets fired by Hamas and Hezbollah pose to Israelis, and has therefore decided to seek funding from Congress to support the production of Israel's short range rocket defense system called Iron Dome." This would be the first direct U.S. investment in the project. Such financial assistance could expedite the completion of the defensive system, which has long been delayed by budgetary shortfalls. A few days later, on 20 May 2010, the U.S. House of Representatives approved the funding in a 410–4 vote. The bill, the United States–Israel Missile Defense Cooperation and Support Act (H.R. 5327), was sponsored by Representative Glenn C. Nye of Virginia. This money was expected to be included in the 2011 budget. Once the money was received in 2011, it still took a further 18 months before the additional batteries were delivered to the air force.
On 9 May 2011, Haaretz published that Defense Ministry director general Maj. Gen. (res.) Udi Shani said that Israel plans to invest nearly $1 billion in the coming years for the development and production of Iron Dome batteries. "We are no longer approaching this in terms of initial operational capabilities but are defining the final target for absorbing the systems, in terms of schedule and funds. We are talking about [having] 10–15 Iron Dome batteries. We will invest nearly $1 billion on this. This is the goal, in addition to the $205 million that the U.S. government has authorized," Shani said.
On 4 April 2012, Reuters reported that a senior Israeli official, during a briefing to a small group of journalists on condition of anonymity, predicted an increased interception range of up to , as well as more flexible aiming of Iron Dome units, thus lowering the number of batteries needed for full deployment in Israel. That would help Israel to cope with the prospect of reduced funding from the United States, while a "new round" of talks about missile-defense funding would be completed in two to three months, he anticipated. While praising American largesse, the official said US planners have asked Israel to "point out honestly where the upper limit is in terms of what can be implemented" with the Iron Dome. He said the US is "deep in (fiscal) challenges itself", so it does not want to "give money for the sake of it".
In exchange for the second tranche of deployment funding, the United States asked Israel for access to, and a stake in, elements of the system's technology. By Carlo Munoz, 25 April 2012
On 17 May 2012, when Israeli Defense Minister Ehud Barak met with U.S. Secretary of Defense Leon Panetta, the Pentagon issued a statement from the Secretary saying in part, "I was pleased to inform Minister Barak that the President supports Israel's Iron Dome system and directed me to fill the $70 million in assistance for Iron Dome that Minister Barak indicated to me Israel needs this fiscal year."
On 18 May 2012, the House of Representatives passed the Fiscal Year 2013 National Defense Authorization Act, H.R. 4310, with $680 million for Iron Dome in Section 227. The report accompanying the bill, 112–479, also calls for technology sharing as well as co-production of Iron Dome in the United States in light of the nearly $900 million invested in the system since 2011.
Section 227, Iron Dome Short-range Rocket Defense Program, would authorize $680.0 million for the Iron Dome system in fiscal years 2012–15 in PE 63913C for procurement of additional batteries and interceptors, and for operations and sustainment expenses. This section would also require the Director, Missile Defense Agency to establish within MDA a program office for cooperative missile defense efforts on the Iron Dome system to ensure long-term cooperation on this program.