Naval Submersibles (Naval, Security)

The Royal Navy nuclear-powered submarine HMS Astute as it nears completion at BAE Systems' Barrow-in-Furness facilities
Rendering of a Kongsberg Hugin Superior AUV
A Dosan Ahn Changho-class (KSS-III) submarine of the Republic of Korea Navy
Launch ceremony of ROKS Seo Hui, the Republic of Korea Navy's fifth Dosan Ahn Chango-class submarine, November 3, 2026
Construction work at 10 Dock in Devonport
An Astute-class nuclear-powered submarine of the Royal Navy
Rendering of a Columbia-class ballistic missile submarine
The US Navy Ohio-class submarine USS Rhode Island
The Virginia-class fast attack submarine USS Colorado returns from sea trials during a maintenance period at Joint Base Pearl Harbor-Hickam, June 6, 2026.
Security Vessel News Roundup | October 27 – UK warship proposal for US Navy, Israel-Cyprus OPV agreement and more
Rendering of a Scorpene Evolved submarine
The US Navy Los Angeles-class submarine USS Santa Fe joins the Royal Australian Navy Collins-class Submarines HMAS Collins, HMAS Farncomb, HMAS Dechaineux, and HMAS Sheean in formation in the West Australian Exercise Area, February 18, 2019.
Photograph of a purported launch of a cruise missile from a submerged submarine
Rendering of a possible design for the SSN-AUKUS submarines
The US Navy cruise missile submarine USS Ohio after entering drydock at Puget Sound Naval Shipyard and Intermediate Maintenance Facility in Washington, April 25, 2017
Master-at-Arms 1st Class Everest Austerman operates a Drone Restricted Access Using Known Electromagnetic Warfare (DRAKE) anti-drone system during a simulated straits transit aboard the Arleigh Burke-class guided-missile destroyer USS Porter.
Security Vessel News Roundup | October 13 – Indian Navy and Coast Guard patrol ships, US amphibious vehicle orders and more
A Walrus-class submarine
COLUMN | Back on track? US icebreaker construction; Anduril invests in naval submarine manufacturing; war and how it creates business opportunities for billionaires [Offshore Accounts]
A Virginia-class submarine under construction at Newport News Shipbuilding
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