Submarine

Radiation still seeping from Soviet‑era titanium nuclear attack sub

Monitoring teams report elevated radiation levels in surrounding waters near the wreck site.

A Soviet submarine.
HMS Artful an Astute-class nuclear-powered fleet submarine is manoeuvred at His Majesty's Naval Base Clyde on March 04, 2025 in Faslane, Scotland.

Iranian man released after alleged attempt to enter UK submarine base

 In this aerial view, the U-475 Black Widow, a former Soviet Navy submarine, lies moored in the River Medway on December 11, 2025 in Strood, England.

UK submarine with Tomahawks deployed to Arabian Sea amid rising tensions

Britain's King Charles talks with Commanding Officer David Crosby during commissioning ceremony for HMS Agamemnon, an Astute-class nuclear-powered submarine, at BAE Systems' shipyard in Barrow-in-Furness, Britain, September 22, 2025.

Two suspected Iranian spies arrested near UK submarine base, Sun newspaper says


After Titanic sub disaster, industry faces scrutiny

The tragedy of the Titan submersible that imploded during its expedition was an outlier, given that the maker of the vessel opted against certifying the vessel, defying industry convention.

The Titan submersible, operated by OceanGate Expeditions to explore the wreckage of the sunken SS Titanic off the coast of Newfoundland, dives in an undated photograph

US Navy detected Titan sub's implosion as it happened - WSJ

The submarine vanished during a dive down to the Titanic wreck on Sunday. The confirmation of the sub's loss came after an extensive search mission. 

 A satellite image shows ships taking part in the search and rescue operations associated with the missing Titan submersible near the wreck of the Titanic, June 22, 2023

James Cameron says he wishes he'd sounded alarm over lost submersible

Other experts in the industry and a whistle-blowing employee raised alarms in 2018, criticizing OceanGate for opting against seeking certification and operating as an experimental vessel.

The sun rises as the search for the missing OceanGate Expeditions submersible, which is carrying five people to explore the wreck of the sunken Titanic, enters its final hours, over St. John?s Harbour, Newfoundland and Labrador, Canada, June 22, 2023.

Titanic sub suffered 'catastrophic implosion,' all five aboard dead

"The debris field here is consistent with a catastrophic implosion of the vehicle," Mauger said.

 The Titan submersible, operated by OceanGate Expeditions to explore the wreckage of the sunken Titanic off the coast of Newfoundland, dives in an undated photograph

Missing Titan sub: Explorer's daughter hopeful he will be rescued

Sidonie Nargeolet said her 77-year-old father had been near the Titanic wreck 30 times, the first in 1987.

The Titan submersible, operated by OceanGate Expeditions to explore the wreckage of the sunken SS Titanic off the coast of Newfoundland, dives in an undated photograph

Titan sub: Missing CEO's wife is descended from Jewish Titanic victims - NYT

Rush, who is married to Wendy Rush, is chief executive of US-based OceanGate Expeditions which operates the Titan submersible.

 Isidor and Ida Straus

Titan sub pieces found in debris field on ocean floor, passengers believed dead

OceanGate believes that the passengers on the Titan submersible have "sadly been lost" in a statement cited by CNN.

 The Titan submersible, operated by OceanGate Expeditions to explore the wreckage of the sunken SS Titanic off the coast of Newfoundland, dives in an undated photograph.

Missing Titan: The Titanic sub has a history of malfunction - adventurer

60-year-old Arthur Liobl described his trip aboard the Titan as a "suicide mission."

The Titan submersible, operated by OceanGate Expeditions to explore the wreckage of the sunken SS Titanic off the coast of Newfoundland, dives in an undated photograph

Missing Titanic sub: experts raised safety concerns about OceanGate Titan in 2018

The issue was that OceanGate did not go through the industry's recognized certification process for the sub's design, fabrication and testing.

A door with signage removed is seen at OceanGate Headquarters at the Waterfront Building within the Port of Everett complex in Everett, Washington, U.S., June 20, 2023.

Titanic submersible: Possible signs of life detected via sonar

Five passengers were on the missing submersible that can keep them alive underwater for a maximum of 96 hours.

 The Titan submersible, operated by OceanGate Expeditions to explore the wreckage of the sunken SS Titanic off the coast of Newfoundland, dives in an undated photograph.