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See Israel’s aerial defense systems in action on land and sea

An archive picture image shows a missile array from the Iron Dome, on July 8, 2014, in Ashdod, Israel

About 15% of Israel’s defense budget comes from the US. Since its founding in 1948, the US has sent Israel about $300 billion in economic and military aid, making it the largest cumulative recipient of US foreign aid.

Nearly all of the aid the US has sent in recent months has been allocated to its advanced defense systems and military equipment. But America’s involvement in Israel’s war on the Gaza Strip has grown controversial. The US is providing limited humanitarian aid to Palestinians in Gaza while also providing military support and weapons to Israel.

More than 40,000 Palestinians have died since October 7, 2023, according to the Ministry of Health in Gaza.

Iron Dome
Israel’s Iron Dome anti-missile system intercepts rockets launched from the Gaza Strip, as seen from the city of Ashkelon, Israel October 9, 2023.

The Israel Defense Forces said the objective of the Iron Dome is to “protect Israeli civilians from the constant threat of rockets by intercepting them.” The IDF described the Iron Dome with three adjectives: “accuracy, speed, and capacity.”

Armed with Tamir interceptor missiles, the multi-mission defense system can shoot down enemy rockets and artillery up to 43.5 miles away. The advanced missile system has a radar station that detects and tracks the course of enemy rockets before launching a missile to intercept it. The missiles track their target with electro-optical sensors and detonate in the air when close.

While the Iron Dome doesn’t have a perfect interception record, it has blocked a majority of enemy fire in Israeli airspace, especially at times of intense barrages from Hamas militants.

But the Iron Dome is just one layer of what is considered one of the most advanced air defense systems in the world.

Missiles are much longer range than shells, but they have the disadvantage of also being expensive. The Tamir missiles fired by Iron Dome are estimated to each cost around $50,000.

David’s Sling
The Israel Missile Defense Organization and the US Missile Defense Agency runs a test of the David’s Sling Weapon System.

Developed in collaboration with the US and Israel, David’s Sling is “a central factor in Israel’s multi-tiered defense array,” according to Israel’s Ministry of Defense, supporting other layers of its air defense system by “tackling large-caliber rockets, short-range ballistic missiles,” and other types of enemy fire.

Arrow Weapon System
An “Arrow 3” ballistic missile interceptor is seen during its test launch near Ashdod December 10, 2015.

Arrow-3’s “interceptor is a world-class missile that, together with the Arrow-2, significantly expands the State of Israel’s defense capabilities,” according to Israel’s Ministry of Defense.

In November 2023, Israel confirmed the first operational use of the Arrow-3 to stop an inbound enemy missile launched by Houthi militants from Yemen, marking the first time all three layers of Israel’s aerial defense were working simultaneously.

“All of these provide protection in every layer of aerial defense and enable optimal protection of the Israeli home front,” the IDF said in a statement at the time.

The Arrow Weapon System’s role in Iran’s retaliatory attacks
A missile is launched from the Sa’ar 6-class corvette during live-fire tests of the naval version of its Iron Dome missile-defense system called “C-Dome.”

Israel’s air defense system isn’t just limited to land. The country also has a naval version of its Iron Dome system, mounting it aboard Israeli missile boats.

The naval version of the aerial defense system, known as C-Dome, is deployed aboard Sa’ar 6-class corvettes, four German-made warships ordered for Israel’s navy.

In addition to the C-Dome, Sa’ar 6 vessels are also equipped with a 76mm Oto Melara Super Rapid main gun that’s effective against close aerial threats.

Israeli missile boats
SPYDER, Rafael Advanced Defense Systems’ surface-to-air missile system, is on display as F-16 fighter jets of the Singapore Air Force perform at the Singapore Airshow.

To further bolster its air defenses, Israel is also looking at a new “all-in-one” surface-to-air missile system called SPYDER, manufactured by Israeli defense company Rafael Advanced Defense Systems.

Israel, in collaboration with Rafael, is testing a new configuration for the weapons system, taking the missile launcher, radar, command and control system, and technology for surveillance and target acquisition and fitting it to an eight-wheel drive vehicle.

“Developed to address the critical operational needs of the modern battlefield, the SPYDER AiO provides an agile, autonomous, air defense asset, capable of rapid deployment within minutes, in challenging terrains, and with short reaction times,” according to a fact sheet from Rafael.

“All-in-one” missile system
SPYDER surface-to-air missiles on a static display are seen as an F-16 jet fires flares during the Singapore Air Show.

Designed to carry up to eight canisterised missiles, including I-Derby SR, I-Derby ER, and Python-5 SR, it can engage up to four targets at a time, with a maximum range of up to 24.8 miles and an altitude of up to 7.4 miles, according to the fact sheet.

In January, Israel’s defense ministry announced a successful test run of the new weapons system configuration, which is capable of intercepting drones, aircraft, cruise and ballistic missiles, and precision-guided munitions.

Editor’s note: This article was originally published in April 2024 and updated in October.