Greek divers have discovered the wreckage of an Italian submarine.

The senior officers of the fast-attack submarine were removed from their positions “due to a loss of confidence”, according to a statement by the Japan-based US 7th Fleet.

China accuses the United States of a "lack of transparency and responsibility" regarding a US nuclear-powered submarine's collision with an unknown object in the South China Sea last month, urging Washington once again to provide the full details of the incident.

Seoul says North Korea has fired at least one ballistic missile off its east coast, following talks between US and South Korean diplomats over Pyongyang’s nuclear program.

An MEP slams US double standards for scolding Iran for uranium enrichment while helping Australia get submarines fueled with weapon-grade uranium.

A US Navy nuclear engineer and his wife have been charged with selling secret information about nuclear submarines to an undercover FBI agent .

China urges the US to provide relevant details about the collision incident involving one of its nuclear submarines in the South China Sea.

The issue centers around a contract signed five years ago, worth up to €50bn, for France to build 12 submarines for Australia.

Pyongyang has condemned the US over a submarine deal with Australia, warning of countermeasures if it affects North Korea's security.

The head of British military intelligence has revealed that London is "actively recruiting" new spies to be rapidly deployed in Asia.