The 13th ASEAN Defence Ministers' Meeting-Plus closed in Cebu on 29 October after adopting a Joint Statement on Youth, Peace and Security, handing the 2027 chair to Singapore. Defence Minister Koizumi explained Japan's revision of its three security documents this year and the goal of 'a capability to block an invasion of Japan', and agreed with Australian Defence Minister Marles to continue consultations toward a Self-Defense Forces missile firing at an Australian test range. At the 28 October meeting of the Australian, Japanese, Philippine and US ministers, closer defence-policy coordination was confirmed, and the US and the Philippines announced an 'Alliance Command and Control Modernization Sprint' and an increase, of undisclosed size, in security-cooperation funds.

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AI & Security Observatory(2026-10-29)「第13回ADMMプラス閉幕、議長はシンガポールへ 小泉防衛相は3文書改定を説明し、豪州でのミサイル発射試験を協議」『AI & Security Observatory』、第1.0版、最終更新2026-10-30。https://ai-security-observatory.org/ja/brief/brief-20261030-11/

AI & Security Observatory (2026-10-29). 13th ADMM-Plus closes with Singapore taking the chair; Koizumi explains the security-document revision and discusses a missile test in Australia . AI & Security Observatory, version 1.0. Updated 2026-10-30. https://ai-security-observatory.org/en/brief/brief-20261030-11/

Version 1.0 · Publication date 29 Oct 2026 · Updated 30 Oct 2026

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