submarines – The Defense Post

May- 2026 -

13 May

Rendering of the lead Trump-class battleship USS Defiant (BBG-1)

US Navy Unveils 30-Year ‘Golden Fleet’ Modernization Plan to Reach 450+ Ships

The US Navy has released a three-decade shipbuilding plan aimed at expanding its fleet beyond 450 vessels in the early 2030s while overhauling acquisition practices and rebuilding the maritime industrial base.

Apr- 2026 -

30 April

Americas

Rojoef Manuel

Hanwha Links Military Vehicle Package to Canadian Attack Submarine Bid

Hanwha Group and the Ontario-based Automotive Parts Manufacturers’ Association have agreed to form a joint venture to build military vehicles in Canada, with the deal hinging on the South Korean company securing a multibillion-dollar attack submarine contract.

27 April

Americas

260425-N-UM744-1007- Sailors assigned to the Virginia-class fast attack submarine USS Idaho (SSN 799) man the rails during a commissioning ceremony at Naval Submarine Base New London in Groton, Conn. on April 25, 2026. SSN 799, the fifth U.S. Navy vessel to be named for “The Gem State”, operates under Submarine Squadron (SUBRON) FOUR, whose primary mission is to provide attack submarines that are ready, willing, and able to meet the unique challenges of undersea combat and deployed operations in unforgiving environments across the globe. (U.S. Navy photo by John Narewski)

Rojoef Manuel

New US Navy Virginia Submarine Enters Service

The US Navy has commissioned its 26th Virginia-class nuclear-powered attack submarine, the USS Idaho (SSN 799), at the Naval Submarine Base New London in Groton, Connecticut.

20 April

Americas

The Royal Canadian Navy long-range patrol submarine HMCS Victoria arrives at Naval Base Kitsap-Bangor for a port call and routine maintenance. The visit is Victoria's first to Bangor since 2004.

Rojoef Manuel

BlackBerry, thyssenkrupp to Provide Core Software for Canada’s Future Patrol Submarines

BlackBerry Limited subsidiary QNX has partnered with German shipbuilder thyssenkrupp Marine Systems to provide embedded software solutions for the Canadian Patrol Submarine Project.

17 April

Europe

Rojoef Manuel

Navantia, thyssenkrupp Team Up on Global Submarine Shipbuilding

Spain’s state enterprise Navantia and German firm thyssenkrupp Marine Systems have signed a memorandum of understanding to jointly explore shipbuilding opportunities in support of submarine efforts across Europe, NATO, and other international customers.

15 April

Americas

Christine Casimiro

Hanwha Ocean Engages Nova Scotia, Irving to Boost Canada Submarine Bid

Hanwha Ocean has sought to expand cooperation with institutions in Nova Scotia as part of its efforts to win Canada’s Patrol Submarine Project.

14 April

Americas

USS Boise (SSN 764) enters Souda Bay, Greece, during a scheduled port visit Dec. 23, 2014. Boise, a Los Angeles-class submarine, homeported in Norfolk, is conducting naval operations in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jeffrey M. Richardson/Released)

Rojoef Manuel

US Navy Deactivates Los Angeles Submarine After 10-Year Maintenance Stall

The US Navy has announced the deactivation of the Los Angeles-class nuclear-powered fast-attack submarine USS Boise (SSN-764) after more than 10 years of sustainment delays, transferring budget and workforce to more critical programs.

1 April

Asia Pacific

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

Rojoef Manuel

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 -

24 March

Europe

The French Navy's lead Frégate de Défense et d'Intervention/ Defence and Intervention Frigate (FDI) system, the Amiral Ronarc’h

Rojoef Manuel

Naval Group, Metlen to Expand Cooperation on Submarines, Warships

French company Naval Group and Athens-based Metlen have signed a memorandum of understanding to expand their partnership on submarine and surface combatant programs.

10 March

Americas

Rojoef Manuel

Hanwha Teams With Canadian Firms, Universities for Next-Gen Patrol Submarine Program

South Korean shipbuilder Hanwha Ocean has signed five industry teaming agreements and three memoranda of understanding with Canadian companies and universities in support of the Canadian Patrol Submarine Project.

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