{"id":35305,"date":"2026-04-19T16:15:41","date_gmt":"2026-04-19T13:15:41","guid":{"rendered":"https:\/\/www.ir-ia.com\/news\/?p=35305"},"modified":"2026-04-19T16:25:50","modified_gmt":"2026-04-19T13:25:50","slug":"australia-and-japan-sign-7-billion-deal-to-jointly-develop-warships","status":"publish","type":"post","link":"https:\/\/www.ir-ia.com\/news\/australia-and-japan-sign-7-billion-deal-to-jointly-develop-warships\/","title":{"rendered":"Australia and Japan sign $7 billion deal to jointly develop warships"},"content":{"rendered":"\n

4 minute read<\/em><\/p>\n\n\n\n

Japan and Australia have finalized a major defense agreement to jointly develop and supply a new fleet of advanced stealth frigates to Australia for A$10 billion (US$7.2 billion).<\/strong><\/p>\n\n\n\n

The agreement marks one of Tokyo\u2019s most significant military export deals since lifting its long-standing defense export restrictions in 2014.<\/p>\n\n\n\n

The agreement was confirmed on April 18, 2026, during talks between Japan\u2019s Defense Minister Shinjiro Koizumi and Australia\u2019s Deputy Prime Minister and Defense Minister Richard Marles.<\/p>\n\n\n\n

Both sides signed contracts and a memorandum reaffirming their shared commitment to delivering the new warships under a long-term naval modernization program.<\/p>\n\n\n\n

Australia said it will invest around $6 billion over the next decade to acquire the initial fleet, with some estimates placing the broader program at up to $14.4 billion as production and expansion continue.<\/p>\n\n\n\n


Mogami-class Frigate<\/strong><\/p>\n\n\n\n

The deal centers on an upgraded version of Japan\u2019s Mogami-class stealth frigates, developed by Mitsubishi Heavy Industries. The warships are designed for multi-role operations, including anti-submarine warfare, surface strike missions, and air defense capabilities.<\/p>\n\n\n\n

Under the agreement, the first three frigates will be built in Japan and delivered from 2029 onward. After this initial phase, production will transition to Australia, with construction planned at the Henderson shipyard near Perth in Western Australia. A total of 11 vessels are planned under the current framework.<\/p>\n\n\n

\n
\"Australia's<\/a>
Japanese Navy\u2019s Mogami-class stealth frigate JS Yahagi in Nagasaki Works, Japan. (Image Credit: JMSDF)<\/sup><\/em><\/figcaption><\/figure>\n<\/div>\n\n\n

Australia selected Japan\u2019s design over competing bids, including Germany\u2019s Thyssenkrupp Marine Systems, underscoring Tokyo\u2019s growing competitiveness in advanced naval exports.<\/p>\n\n\n\n

Australian Defense Industry Minister Pat Conroy described the procurement as the fastest acquisition of major warships in the Royal Australian Navy\u2019s peacetime history.<\/p>\n\n\n\n

He said Australia is working closely with Japanese and domestic industry partners to integrate one of the world\u2019s most advanced general-purpose frigate platforms into its fleet. The program is part of a broader naval expansion strategy aimed at increasing Australia\u2019s major surface combatants from 11 to 26 ships over the next decade.<\/p>\n\n\n\n

The frigates are expected to play a central role in securing Australia\u2019s maritime approaches and protecting critical trade routes across the Indian and Pacific Oceans.<\/p>\n\n\n\n


Strategic Shift in the Indo-Pacific<\/strong><\/p>\n\n\n\n

The agreement reflects a deeper strategic alignment between Japan and Australia amid growing regional tensions in the Indo-Pacific. Both countries have expressed concern over China\u2019s expanding military presence and territorial disputes in the region.<\/p>\n\n\n\n

Japan\u2019s Defense Ministry said the deal strengthens bilateral defense cooperation and reflects Tokyo\u2019s view of Australia as a key security partner in maintaining regional stability.<\/p>\n\n\n

\n
\"Australia's<\/a>
Australia’s Deputy Prime Minister and Minister for Defence Richard Marles shakes hands with Japan’s Defence Minister Shinjiro Koizumi at the start of their talks at the Defense Ministry in Tokyo, Japan. (Image Credit: Reuters\/Issei Kato)<\/sup><\/em><\/figcaption><\/figure>\n<\/div>\n\n\n

Koizumi emphasized that the agreement represents a commitment to elevating defense ties between the two countries, while Australian officials described it as a milestone in long-term strategic collaboration.<\/p>\n\n\n\n

Both nations are also members of the Quadrilateral Security Dialogue or the Quad, alongside the United States and India; a grouping increasingly focused on maintaining a balance of power in the Indo-Pacific.<\/p>\n\n\n\n

The frigate agreement highlights Japan\u2019s gradual shift away from its postwar pacifist defense posture. While Tokyo still maintains restrictions on direct arms exports, it has increasingly allowed joint development and co-production projects with allied nations.<\/p>\n\n\n\n

The deal also follows Japan\u2019s growing defense cooperation with other partners, including ongoing joint fighter jet development programs with the United Kingdom and Italy.<\/p>\n\n\n\n

For Australia, the agreement provides access to a highly advanced naval platform while strengthening interoperability with key allies in the region.<\/p>\n\n\n\n

With construction beginning in Japan and later shifting to Australia, the program represents a long-term industrial and strategic partnership between the two countries. As regional security dynamics continue to evolve, the frigate deal signals a sustained effort by both Tokyo and Canberra to reinforce deterrence and enhance maritime capabilities across the Indo-Pacific.<\/p>\n\n\n

\n
\"JS<\/a>
Japanese destroyer JS ARIAKE participating in a multilateral exercise Kakadu 2024 hosted by the Australian Navy to improve tactical capabilities and strengthen cooperation with participating navies. (Image Credit: X\/JMSDF)<\/sup><\/em><\/figcaption><\/figure>\n<\/div>","protected":false},"excerpt":{"rendered":"

Japan and Australia have finalized a major defense agreement to jointly develop and supply a new fleet of advanced stealth frigates for A$10 billion (US$7.2 billion), marking one of Tokyo\u2019s most significant military export deals since lifting its long-standing defense export restrictions in 2014.<\/p>\n","protected":false},"author":1,"featured_media":35307,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[124,1],"tags":[137,380,136,6,377,46,5,90,391,91],"class_list":["post-35305","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-asia-pacific","category-news","tag-asia","tag-asia-pacific","tag-australia","tag-defense","tag-indo-pacific","tag-japan","tag-military","tag-navy","tag-ship","tag-warship"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.ir-ia.com\/news\/wp-content\/uploads\/2026\/04\/Japan-Australia-defense-officials.jpg?fit=690%2C370&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p7jJWb-9br","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.ir-ia.com\/news\/wp-json\/wp\/v2\/posts\/35305","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ir-ia.com\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ir-ia.com\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ir-ia.com\/news\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ir-ia.com\/news\/wp-json\/wp\/v2\/comments?post=35305"}],"version-history":[{"count":3,"href":"https:\/\/www.ir-ia.com\/news\/wp-json\/wp\/v2\/posts\/35305\/revisions"}],"predecessor-version":[{"id":35311,"href":"https:\/\/www.ir-ia.com\/news\/wp-json\/wp\/v2\/posts\/35305\/revisions\/35311"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ir-ia.com\/news\/wp-json\/wp\/v2\/media\/35307"}],"wp:attachment":[{"href":"https:\/\/www.ir-ia.com\/news\/wp-json\/wp\/v2\/media?parent=35305"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ir-ia.com\/news\/wp-json\/wp\/v2\/categories?post=35305"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ir-ia.com\/news\/wp-json\/wp\/v2\/tags?post=35305"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}