The Ōsumi class landing ship tanks of the Japan Maritime Self-Defense Force are large amphibious vessels with a well deck and helicopter facilities for troop and vehicle operations. They support Japan’s amphibious and humanitarian assistance capabilities in the Western Pacific.
| Ship Name(s) | Line Name |
|---|---|
| JS Ōsumi, JS Shimokita | Japan Maritime Self-Defense Force |
Deployment Began: Sun Aug 30, 2026
Deployment Ended: Fri Oct 16, 2026
Days Deployed: 47 days
Deployment Location: Kijing Port, West Kalimantan, Indonesia / disaster-relief support and helicopter re-embarkation (departed October 6, 2026)
Post-Deployment Location: Yokosuka, Japan
Mission: Ōsumi-class tank landing ship transported and supported three Japan Ground Self-Defense Force CH-47 helicopters during international disaster-relief and aerial firefighting operations in Indonesia.