Israel quietly upgraded a critical missile defense layer before war with Iran erupted

Israel has recently completed a series of tests demonstrating significant improvements to its David’s Sling air defense system, as the country prepares for potential conflict in the Middle East. The upgrades, based on lessons learned since the October 7 war, aim to enhance the system’s ability to intercept a wider range of aerial threats.

David’s Sling Upgrades

Defense officials declined to detail the specific nature of the improvements, describing them as adaptations to address more complex scenarios. The enhancements are considered “significant” and come as the United States builds up its forces in the region in anticipation of a possible campaign against Iran.

David’s Sling, manufactured by Rafael Advanced Defense Systems, is a key component of Israel’s multi-layered missile defense system. It is designed to intercept threats at ranges of up to approximately 300 kilometers, filling the gap between the short-range Iron Dome and the long-range Arrow 2 systems.

Originally intended to counter rockets and missiles from Hezbollah in Lebanon and Syria, David’s Sling was used during the 12-Day War against missile barrages launched directly from Iran. Operational experience from that conflict likely informed the recent upgrades.

Improving David’s Sling’s capabilities could reduce the burden on the Arrow system, Israel’s primary defense against long-range ballistic missiles from Iran and Iranian-backed Houthi forces in Yemen. Expanding its interception range could also help preserve interceptor stockpiles, particularly as Iran has reportedly restored and expanded its missile production capabilities.

Interceptor Production Increases

Israel’s defense industry has also accelerated interceptor production, with the production rate of Arrow 3 interceptors at Israel Aerospace Industries tripling compared to prewar levels. Two contracts with Germany, valued at approximately $6.5 billion, are supporting this expansion without impacting supply commitments to the Israeli military.

Development continues on the next generation of Arrow interceptors, with the Arrow 4 intended to complement the Arrow 3 and eventually replace the Arrow 2 system. Plans are also underway for the Arrow 5, which is expected to further expand interception capabilities.

The U.S.-made THAAD missile defense system has also been deployed to Israel as part of preparations for potential missile attacks, operating alongside the Aegis system deployed on U.S. Navy destroyers.

The Iron Beam laser system, expected to be supplied by Rafael by the end of 2025, is not designed to intercept ballistic missiles and will focus on countering drones, mortar fire, and short-range rockets.

Elbit Systems is developing an airborne laser system intended to intercept ballistic and hypersonic missiles from high altitude, potentially mounted on fighter jets or dedicated aircraft.

During the previous war, approximately 550 ballistic missiles were launched at Israel. While most were intercepted, dozens penetrated defenses, causing widespread damage and killing 30 people. Approximately 85 percent of the missiles were successfully intercepted, according to the Ministry of Defense and the Israel Defense Forces.