Submarines

China is considering transitioning to an all-nuclear submarine fleet, prompting discussions on whether Japan will follow suit. Tokyo faces numerous hurdles, including personnel issues and potential redundancies.

December 26, 2025 An Ruwaito ta hanyar AI

Japan's Defense Ministry has suspended Kawasaki Heavy Industries from bidding on its projects for 2.5 months due to falsified fuel efficiency data on submarine engines built for the Maritime Self-Defense Force from 1988 to 2021. The issue affects engines in 23 of the MSDF's 24 submarines, though officials state it poses no risk to safety or performance.