Australia to Purchase Eleven Japanese Mogami Class Frigates in Landmark Ten Billion Dollar Maritime Defense Modernization Deal

Australia replaces ANZAC warships with 11 Japanese-designed Mogami frigates in a $10bn deal, marking the largest Navy modernization since WWII.

By: AXL Media

Published: Apr 21, 2026, 3:35 PM EDT

Source: The information in this article was sourced from NewsWire

Strategic Partnership with Mitsubishi Heavy Industries

Australia has officially selected Japan as its primary partner for a massive naval overhaul, committing to a $10 billion initial investment for the Mogami-class frigate program. Defence Minister Richard Marles is expected to finalize the agreement with Japanese officials in Melbourne, marking the conclusion of an eight-month competitive process where Mitsubishi Heavy Industries successfully outperformed a rival German bid. This decision underscores a deepening strategic and industrial alignment between Canberra and Tokyo, prioritizing Japanese engineering to revitalize the Royal Australian Navy’s surface fleet. According to defense officials, the choice was driven by Japan's reputation for high-tech maritime innovation and its ability to meet rigorous delivery timelines.

Hybrid Manufacturing Strategy and Local Production

The $10 billion deal outlines a phased construction plan designed to balance immediate defense needs with the development of local industrial capacity. Under the terms of the agreement, the first three Mogami-class frigates will be constructed in Japanese shipyards to ensure a rapid entry into service, while the remaining eight vessels are scheduled to be built at the Henderson Defence Precinct in Western Australia. This hybrid manufacturing approach is intended to revitalize Australia’s domestic shipbuilding sector while leveraging Japanese expertise. The shift toward local production for the bulk of the fleet is a central pillar of the government’s broader strategy to enhance national self-reliance in defense manufacturing.

Timeline for Fleet Integration and ANZAC Replacement

The Australian Navy is projected to receive its first Japanese-built Mogami frigate by 2029, with the third vessel expected to be delivered by 2034. If these delivery milestones are met, the Mogami program will represent the fastest defense acquisition of its scale in Australian history, a feat attributed to Japanese assurances regarding production efficiency. These state-of-the-art warships are intended to replace the long-serving ANZAC-class vessels, which have reached the end of their operational lifespan. According to Minister Marles, this rapid modernization is essential to maintaining Australia’s maritime edge in an increasingly complex regional security environment, providing the Navy with enhanced sen...