Israel will not give Greece the source code for air-defence system: Report

A controversial decision by Israeli defense officials to refuse Greece access to the core source code for its newly purchased $3.5 billion multi-layered air defense system has ignited new questions about military technological sovereignty and future Israeli arms exports across the Middle East and Mediterranean.

The multi-billion dollar weapons deal, signed between Athens and Tel Aviv in August of this year, stands as the largest arms export agreement in Israel’s history. Under the terms of the original deal, Israel is set to deliver a full layered air defense array designed to counter a sweeping spectrum of modern aerial threats, ranging from small hostile drones to both short-range and long-range ballistic missiles. The system integrates multiple interconnected components: advanced sensors, precision radar arrays, interceptor missiles, launch infrastructure, and a central command-and-control backbone that orchestrates all defensive operations.

In comments published by Greek national newspaper *Kathimerini*, Moshe Patel, head of the Israel Missile Defence Organisation, confirmed that Greece would not receive the proprietary source code for the system’s command-and-control infrastructure. “No. Because the ‘source code’ was not included in the licence to use the agreement,” Patel stated directly when asked about Athens’ potential access. Without access to this core code, Greek defense engineers and technical teams would be locked out of independent upgrades, routine maintenance, and system modifications, forcing the country to remain reliant on Israeli expertise for all long-term management of its primary air defense network.

Shortly after Patel’s comments sparked backlash in Greece, Israel’s Ministry of Defense issued a clarifying statement, announcing that it would collaborate with Greek counterparts to develop a separate, customized “Greek source code” for the system. This tailored code, the ministry explained, will grant Athens full command-and-control access aligned with its unique operational requirements, and will remain under permanent exclusive Greek sovereignty. “The Greek source code developed under the programme, together with any modifications and additions to it, will remain under exclusive Greek control and be tailored to Greek operational requirements,” the ministry’s statement read.

Even with this compromise, Israel’s initial reluctance to share the original proprietary code has raised broader concerns among the global community of potential Israeli defense clients, particularly the Gulf states that have recently expanded defense cooperation with Tel Aviv. Industry analysts note that the decision underscores a long-standing norm among major military exporters: retaining exclusive technological control over cutting-edge hardware to maintain strategic leverage over buyer nations. The most prominent global example of this practice is widely discussed in defense circles: the United States’ F-35 fifth-generation stealth fighter jet, which many defense analysts speculate includes a hidden “kill switch” that allows Washington to disable the aircraft remotely. While U.S. defense officials have repeatedly denied the existence of such a feature, the F-35’s core functionality remains entirely dependent on proprietary American software and data infrastructure.

According to a serving U.S. official who spoke to independent outlet Middle East Eye, Israel is already planning to dramatically scale up its global exports of advanced air defense systems, with the United Arab Emirates identified as its next high-priority target customer. Tel Aviv has framed the Greek deal as a landmark milestone for its defense export industry: Israeli defense officials note this is the first time the country has offered a complete, integrated defense array capable of countering the full scope of modern aerial threats, from ballistic missiles to rogue UAVs.

The ongoing debate over source code access highlights the delicate balance between global arms trade commerce and national sovereignty, as client nations increasingly demand full independent control over critical defense infrastructure while exporting nations guard their proprietary technological advantages.