Every Generation Of Submarine And How Their Capabilities Changed Over Time

With fifth-generation submarines on the horizon, their technology has come a long way. Ultra-advanced subs of today use ...
Military.com

The Japanese Submariner Who Became America's First WWII Prisoner After Pearl Harbor

Sergeant David Akui walked along Waimanalo Beach on the morning of Dec. 8, 1941, and spotted what he thought was a sea turtle ...
Military Times

How one Japanese vessel spectacularly failed at Pearl Harbor

Even before the first Japanese bomb fell, the HA-19 and four other Type A midget submarines were meant to deal the first blow ...
American Machinist

Pentagon Awards Over $13B for Nuclear Subs

Virginia-class subs are fast-attack, missile-armed vessels designed for anti-submarine warfare and intelligence gathering operations. The U.S. Dept of Defense issued a total of $13.7 billion in ...
Naval News

Japan Greenlights Major Defense Supplement to Accelerate Frigate and Submarine Construction

Japan approved 847.2 billion yen ($5.4 billion) defense spending in the fiscal 2025 supplementary budget amid growing ...
Reuters

What are Sweden's new Saab-built A-26 submarines?

The A-26 is a conventional submarine, meaning it is not nuclear-powered. It can remain submerged for weeks due to its three Stirling engines, which do not rely on air to run. Stirling engines, which ...
WVEC

HII delivers Virginia-class submarine Massachusetts to U.S. Navy

NEWPORT NEWS, Va. — HII’s Newport News Shipbuilding division has delivered the Virginia-class fast-attack submarine Massachusetts (SSN 798) to the U.S. Navy. The submarine is the 12th Virginia-class ...
USNI

Navy Accepts Delivery of Virginia-class Attack Boat Massachusetts

The future Virginia class attack submarine USS Massachusetts (SSN-798) participated in sea trials in October 2025. The U.S. Navy accepted delivery of the submarine from NNS on Nov. 21. HII photo The ...
Interesting Engineering

Nose of 20,800-ton US Navy nuclear missile submarine heads for final assembly

An artist rendering of the future Columbia-class ballistic missile submarines.US Navy The bow section of the US Navy’s first future ballistic-missile submarine, USS District of Columbia (SSBN-826), ...
Stars and Stripes

Navy awards $2.3 billion contract designed to spur Columbia-class submarine acquisition, construction

A $2.3 billion Navy contract is intended to speed up the purchase and construction of five of the service’s newest class of ballistic missile submarines, a program plagued by cost overruns and delays.
Marine Link

HII Delivers Virginia-Class Submarine Massachusetts to US Navy

HII announced that its Newport News Shipbuilding division has delivered Virginia-class fast-attack submarine Massachusetts (SSN 798) to the U.S. Navy. More than 10,000 shipbuilders from NNS and ...
Marine Log

Newport News delivers Virginia-class submarine Massachusetts (SSN 798)

HII (NYSE: HII) reports that its Newport News Shipbuilding division has delivered the Virginia-class fast-attack nuclear submarine Massachusetts (SSN 798) to the U.S. Navy. Massachusetts is the 12th ...