Japan commissions first Taigei-class submarine
The JMSDF has welcomed into service its first-of-class submarine JS Taigei. It was built by Mitsubishi Heavy Industries. (JMSDF)
Japan's navy has now reached its full complement of 22 conventional submarines.
The first-of-class submarine JS Taigei was commissioned into the Japan Maritime Self-Defense Force (JMSDF) on 9 March.
With the JMSDF planning to increase its number of operational submarines from 16 to 22, this commissioning brings the submarine fleet up to its full number for the first time.
Taigei-class submarines are equipped with lithium-ion batteries, and the snorkel electricity generator system is developed to maximise the characteristics of these batteries that can continuously discharge large currents. This system includes a diesel engine with high output, and the ability to cope with rapid load changes.
The submarine possesses a floating deck
Already have an account? Log in
Want to keep reading this article?
More from Naval Warfare
-
![South Korea advances next-gen naval concepts for future force needs]()
South Korea advances next-gen naval concepts for future force needs
HHI and Hanwha Ocean outline highly autonomous and unmanned-enabled designs as the ROKN explores force structure for the 2030s and beyond.
-
![US representatives plan to invest $1.6 billion in US Coast Guard inventory in FY2026]()
US representatives plan to invest $1.6 billion in US Coast Guard inventory in FY2026
The FY26 Homeland Security Bill Markup of the House Committee on Appropriations included resources for the procurement of ships, aircraft and unmanned systems.
-
![US Navy seeks industry partners to address pressing research needs]()
US Navy seeks industry partners to address pressing research needs
The Office of Naval Research will host an Industry Engagement Day in August aiming at building new partnerships and advancing its science and technology initiatives in multiple areas.
-
![Raytheon awarded $1.2 billion in contracts for AN/SPY-6(V) radars for the US Navy]()
Raytheon awarded $1.2 billion in contracts for AN/SPY-6(V) radars for the US Navy
Under the most recent contract, the US Navy will receive four additional AN/SPY-6(V) radars, increasing the number of radars under contract to 42. The radars are considered key for expanding the navy’s capability for air defence.
-
![Royal Canadian Navy’s final Harry DeWolf-class vessel to be delivered this summer]()
Royal Canadian Navy’s final Harry DeWolf-class vessel to be delivered this summer
The sixth Canada’s Arctic and Offshore Patrol Ship is currently at the final stages of construction within Irving Shipbuilding.
