Japan commissions ocean surveillance ship
The Japan Maritime Self-Defense Force (JMSDF) commissioned a 67m-long ocean surveillance vessel – the third in its class – on 4 March. Mitsui Engineering & Shipbuilding (E&S) built the ship.
Christened JS Aki (AOS 5203), the catamaran-hulled vessel belongs to the Hibiki class. The commissioning ceremony took place in the city of Tamano in Okayama Prefecture, with the ship joining Ocean Surveillance Division 1 stationed at Kure Naval Base in Hiroshima.
Laid down in March 2019, the vessel was launched on 15 January 2020 under a contract signed in February 2018. It comes nearly 30 years after the last ocean
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
-
UK’s Type 31 frigate balances cost pressure with long-term export ambition
The UK shipbuilder’s full-year results to the end of March revealed the impact of the £140 million charge linked to design changes and rework on the Royal Navy’s Type 31 frigate programme.
-
Eurosatory 2026: Schiebel’s frigate-first strategy indicates a shift in UAV competition
Schiebel is pursuing opportunities in the UK and France while leveraging its integration with Naval Group’s FDI frigate programme to create new naval business across Europe.
-
Eurosatory 2026: Red Cat eyes South American market for USV-led EEZ surveillance
Success with the US Army’s Black Widow programme may have strengthened Red Cat’s international position, but executives believe the next growth opportunity lies in uncrewed surface vessels.