Greece-Israel: 'Achilles Shield' Agreement

Greece and Israel signed a defense agreement on Monday, August 31, 2026 in Tel Aviv for the development of a multi-layered national air defense system named “Achilles Shield”, according to reports by Greek City Times and Greek Reporter. The value of the agreement is estimated at approximately 3,1 billion euros, with the two outlets describing it as the largest defense agreement between the two countries and, at the same time, as the largest defense export agreement in Israel’s history, a scale that the reports themselves present as an indication of the extent of the cooperation.

According to the same reports, the system includes components such as the David’s Sling, SPYDER and BARAK MX interception systems, air surveillance radar, as well as a national command and control centre with artificial intelligence capabilities. The implementation timeframe for the agreement is set at 35 months. Greek industry, as reported, will participate at a rate of over 25% of the total project, worth more than 700 million euros, while access to source code is envisaged, so that Greece can operate and maintain the systems autonomously, without ongoing dependence on the original supplier for their operational support.

On Tuesday, September 1, 2026, the Israeli ambassador to Greece, Pnina Yanai, described the agreement as “historic”, in statements carried by newsit.gr. According to the relevant press coverage, the strategic rationale behind the agreement is the creation of a multi-layered air defense system against potential regional threats; this is a framework explicitly attributed to the reports and not to an independent assessment by this article. Neither the full official text of the agreement nor the complete set of its terms have been made public so far, according to the available reports, a fact that limits the ability to independently verify details beyond what has already been publicly disclosed by the two sides and by the media that covered the signing in Tel Aviv.

With implementation scheduled over a period of 35 months, the agreement is expected to move into further phases of planning and application, although the reports do not specify a concrete timeline for intermediate milestones. Greek participation in the project, with a share of over 25% and access to source code, is expected to serve as a reference point for future cooperation in the defense industry sector, while further official announcements are expected from both the Greek and the Israeli side regarding the next steps of implementation. Until then, the scale and symbolism of the agreement remain based exclusively on what has already been publicly announced by the two sides, without additional details on the delivery timeline for the individual systems.