Lt. Angelo Belloni seized control of submarine F-43 at the Muggiano shipyards near La Spezia, Italy. The coastal submarine, originally built for the Russian Navy and designated to become the Svyatoi Georgjy,

A Virginia-class attack submarine is in port in Australia for the second maintenance period of a nuclear-powered boat on foreign soil. USS Vermont (SSN-792) pulled into HMAS Stirling on Wednesday for the maintenance overhaul,

Trump’s announcement was short on detail but came a day after he finalized a trade deal with South Korea that includes a pledge of $350 billion in investment.

Russian President Vladimir Putin announced that Russia conducted a test of a nuclear armed and powered underwater vehicle, according to a Russian news agency.

Cadets welcomed attendees of Saturday's event as they watched the christening of the USS Utah in its East Coast shipyard on a live stream.

An American nuclear submarine where one in 10 crew members is Australian has arrived at the Garden Island naval base for a month-long maintenance stopover, ahead of regular AUKUS rotations that begin in 2027.

Electric Boat's progress in building the Utah submarine was celebrated in a christening ceremony last Saturday at the company's shipyard in Groton. The Utah comprises the 28th vessel in the Virginia class of fast-attack submarines, and it will be the 14th boat in the class delivered by Electric Boat.

Germany’s Type 212 pioneered near-silent hydrogen fuel-cell air-independent propulsion, letting a non-nuclear sub remain submerged for weeks while evading acoustic, magnetic, and sonar detection. -Its raft-mounted machinery,