Japan will phase out military involvement in Antarctic logistics as part of a planned transition tied to fleet retirement and resource constraints.

The Japan Maritime Self-Defense Force will withdraw from Antarctic transport operations following the retirement of its icebreaker Shirase in fiscal 2034. The move reflects ongoing personnel shortages within the Self-Defense Forces and increased operational demands linked to Japan’s security environment.

The policy direction is expected to be formally presented at a subcommittee meeting on Antarctic transport scheduled for 16 April. After the vessel’s retirement, transport responsibilities are set to be transferred to private-sector operators.

Since 1965, the Maritime Self-Defense Force has supported Japan’s Antarctic activities by transporting personnel, equipment, and supplies to research facilities, including Syowa Station. The force has also carried out icebreaking operations and aerial logistics using onboard helicopters, supporting sustained access to the country’s Antarctic bases.