submarine – 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 -

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.

21 April

Americas

Ethan M. Encarnacion

Ultra Maritime Takes on Torpedo Threats With ‘All-in-One’ Defense Concept

Torpedoes may no longer pose the same challenge to naval forces, as Ultra Maritime unveiled a new integrated defense concept that can automatically select between hard-kill, soft-kill, or electronic warfare responses.

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

Europe

Christine Casimiro

Indra to Equip 6 More Type 212CD Submarines With EW, Radar Systems

Indra is set to equip an additional six Type 212CD submarines with its electronic warfare (EW) and radar systems under a new contract signed with Kongsberg Defence & Aerospace.

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.

10 April

Europe

Staff Writer With AFP

UK Tracked 3 Russian Subs in Alleged N. Atlantic ‘Covert’ Op

The UK said it had tracked and deterred three Russian submarines on an alleged month-long "covert operation" in the North Atlantic.

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.

1 April

Europe

A military submarine emerges through dense sea mist under a dramatic orange dawn sky, used to illustrate Indra's development of a new satellite link to extend submarine connectivity at sea

Ethan M. Encarnacion

Indra Takes Aim at Submarine Connectivity Limits With New Satellite Link

Indra Group is targeting a long-standing limitation in submarine operations with a new high-speed satellite terminal designed to boost connectivity underwater.

Mar- 2026 -

23 March

Americas

Artist's impression of the AUKUS submarine

Christine Casimiro

US OKs $1B AUKUS Submarine Systems, Tech Support Sale to UK

The US State Department has cleared a $1-billion potential foreign military sale of submarine systems and related support for the UK as part of the AUKUS security partnership.

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