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Australia, Japan Sign A$10 Billion Mogami-Class Frigate Contracts

The deal underscores Tokyo’s shift toward larger defense exports.

Overview

  • Australia and Japan, which signed contracts Saturday in Melbourne, formally launched a program to deliver new Royal Australian Navy frigates.
  • The package totals A$10 billion over 10 years, which Australia’s defense industry minister called the navy’s fastest peacetime acquisition.
  • Mitsubishi Heavy Industries will build the first three upgraded Mogami-class frigates in Japan from 2029 before an onshore build of eight more at Henderson near Perth.
  • The frigates are stealthy multi‑role ships designed for anti‑submarine warfare, strikes on surface ships, and air defense to help guard sea lanes and Australia’s northern approaches.
  • Canberra framed the purchase as part of a broader buildup to deter China as Japan deepens security ties with U.S. allies after easing post‑war export limits.