North Korea's state media released photos Thursday of what it said was the hull of a nuclear submarine. Its leader denounced South Korea's plans to build its own subs as "an offensive act."

Through the Ukraine War, the Russian Navy has lost over 20 warships, submarines, landing ships, patrol boats, and support vessels, including its flagship, the Moskva guided-missile cruiser.

The Turkish Naval Forces held a commissioning and flag-hoisting ceremony at Istanbul Naval Shipyard in December 2025 for several newly completed platforms: the

North Korea displayed apparent progress in the construction of a nuclear-powered submarine, with state media photos showing a largely completed hull as leader Kim Jong Un condemned rival South Korea’s push to acquire the technology.

Former People Power Party lawmaker Thae Yong-ho said Monday that N. Korea is likely to build a nuclear-powered submarine before S. Korea.

Ottawa narrowed its search to two conglomerates last year, and is now requesting commitments from Hyundai and Volkswagen

Shaggy's Personalised Diving company operator, James Thomson said he cut the cable to the sub because he felt his boat was in danger.

For three years, Ukraine has waged an unconventional naval campaign that fundamentally altered the balance of power in the Black Sea. What began as an improvised effort by four engineers working with fishing boats and internet terminals has evolved into a sustained offensive that devastated one of Russia's most important naval formations—without Ukraine possessing a single major warship.