Japan Maritime Self-Defense Force

Apr- 2026 -

1 April

The JS Chōgei (SS-517) Taigei-class attack submarine

Mitsubishi Delivers Japan’s Fifth Taigei Attack Submarine

The Japan Maritime Self-Defense Force has accepted its fifth Taigei-class diesel-electric attack submarine from Mitsubishi Heavy Industries.

Mar- 2026 -

13 March

Asia Pacific

Christine Casimiro

Japan Accepts Second SPY-7 Radar Shipset From Lockheed Martin

Lockheed Martin has delivered the second shipset of the AN/SPY-7(V)1 radar system for Japan’s Aegis System Equipped Vessels.

Jan- 2026 -

27 January

Sea

Bea Castañeda

Inside Aegis: The System Powering Modern Naval Air Defense

This guide breaks down how the Aegis Weapon System anchors modern naval combat operations to protect ships and project power globally.

Dec- 2025 -

26 December

Asia Pacific

Christine Casimiro

Mitsubishi Heavy Industries Launches Japan’s Final Mogami-Class Frigate

Mitsubishi Heavy Industries has launched the 12th and final Mogami-class frigate for the Japan Maritime Self-Defence Force at its Nagasaki shipyard.

Sep- 2025 -

4 September

Asia Pacific

Rojoef Manuel

Palfinger to Deliver Slipway Systems for Japan’s Next-Gen FFM Warships

Japan has awarded Austrian firm Palfinger Marine a contract to supply stern launch and recovery systems for its next-generation FFM-class multirole frigates.

Jul- 2025 -

2 July

Air

Rojoef Manuel

Audit Flags Readiness Gaps in Japan’s P-1 Maritime Patrol Fleet

Japan’s Maritime Self-Defense Force is grappling with the reduced operational availability of its Kawasaki P-1 maritime patrol aircraft fleet, primarily due to persistent engine malfunctions.

Jun- 2025 -

10 June

Asia Pacific

Rojoef Manuel

Mitsubishi Launches Latest Maritime Survey Vessel for Japanese Navy

Mitsubishi Heavy Industries has rolled out a new oceanographic research vessel for the Japan Maritime Self-Defense Force in Shimonoseki, Yamaguchi Prefecture.

4 June

Asia Pacific

211030 -N-HS181-2313 SOUTH CHINA SEA (Oct. 30, 2021) Japan Maritime Self-Defense Force (JMSDF) Murasame-class destroyer JS Murasame (DD 101) transits the South China Sea, during operations with U.S. Navy Carrier Strike Group (CSG) 1, Oct. 30, 2021. Elements of JMSDF and CSG 1 are conducting bilateral operations in the South China Sea. (U.S. Navy photo by Mass Communication Specialist 2nd Class Haydn N. Smith)

Rojoef Manuel

Japan Exhibits Design for Kongō, Murasame Destroyer Replacements

Japan Marine United (JMU) has showcased the early-stage design of next-generation destroyers for the Japan Maritime Self-Defense Force at a convention in Chiba.

2 June

Asia Pacific