Japan inducts largest warship since WWII
Japan formally received JS Izumo, its largest new warship since the end of World War Two, at the IHI Marine United shipyard in Yokohama on 25 March 2015.
Defence Minister Gen Nakatani presided over the commissioning ceremony for the helicopter carrier (DDH-183) with a full-load displacement of 24,000 tonnes. He stated: ‘The vessel can serve in a wide range of roles including peacekeeping operations, international disaster relief and aid. It also helps improve our ability to combat submarines.’
As the defence minister indicated, the Japan Maritime Self-Defence Force (JMSDF) vessel will be a vital platform for anti-submarine warfare (ASW)
Our news & analysis is now part of Defence Insight®
A Basic-level or higher Defence Insight subscription is now required to view this content.
More from Naval Warfare
-
![Shoreline vulnerability drives Gulf interest in USV networks]()
Shoreline vulnerability drives Gulf interest in USV networks
Ukraine’s combat-proven Magura uncrewed surface vessel is attracting Gulf state interest as the Iran war exposes gaps in layered maritime air defence, raising questions about whether low-cost attritable systems can gain a foothold in a procurement culture historically drawn to high-end Western platforms.
-
![Sweden swayed by speed to capability in French frigate win]()
Sweden swayed by speed to capability in French frigate win
Naval Group has secured a contract to supply four Frégate de Défense et d’Intervention frigates to the Royal Swedish Navy, extending the French naval industry’s reach into Northern Europe and showing why speed to capability has become the defining criterion in today’s defence procurement contests.
-
![SOF Week 2026: US NSW explores 3D-printed USVs for forward-deployed operations]()
SOF Week 2026: US NSW explores 3D-printed USVs for forward-deployed operations
US Naval Special Warfare Command is assessing the feasibility of rapidly producing expendable mid-sized USVs in theatre to support SOF and maritime security missions.
-
![SOF Week 2026: MARSOC selects upgraded Shark Marine dive navigation system]()
SOF Week 2026: MARSOC selects upgraded Shark Marine dive navigation system
MARSOC is procuring the Shark Marine Dive Tablet 2 to address a longstanding combat diver navigation capability gap, improving underwater positioning, situational awareness and integration with existing diver propulsion vehicles.
