A plume of radioactive material seeping from Komsomolets. (Gwynn et al., PNAS, 2026) A sunken Cold War-era nuclear submarine ...

While the nuclear-powered attack sub’s reactor appears to be ‘corroded,’ years of collaboration with Russian authorities has ...

I just could not be prouder of our men and women in uniform leveraging innovation to create dilemmas for the enemy.”… pic.twitter.com/bydvIv5Tn5 “They used Army ATACMS to sink multiple ships, ...

The U.S. and Iran are offering sharply conflicting accounts of the March 4 sinking of the Iranian warship IRIS Dena in the ...

The March 4 incident in the Indian Ocean marked the first time an American submarine had torpedoed an enemy vessel since the ...

On March 3, 2026, the U.S. Navy sunk Iran's IRIS Dena off the coast of Sri Lanka. Here's what the acronym stands for in ...

As naval warfare reemerges as a key strategy in the US war with Iran, World War II museum ships are finding new relevance.

The federal government won't confirm if any Australian personnel were on a US fast-attack submarine that sank an Iranian warship, despite dozens of ADF members rotating through US submarines for ...

IRIS Dena was returning from India after participating in the 2026 International Fleet Review in Visakhapatnam when it was reportedly attacked and later sank off the southern coast of Sri Lanka.