The calls come after the biggest strengthening of the UK's nuclear capabilities in a generation was announced in the summer.

The Kilo II vessels displace approximately 2,350 tons surfaced and measure roughly 242 feet long with a 32.5-foot beam.

The new South Korean submarine is expected to be tasked with eliminating nuclear and missile targets across North Korea.

Russia secretly used front companies to buy Western technology and erect a surveillance net in the Arctic where its ...

U.S. President Donald Trump and Australian Prime Minister Anthony Albanese signed a critical minerals agreement aimed at ...

Nuclear-powered submarines use some of the most advanced military technology in the world. These are the ones that are a cut ...

The deployment, part of a broader counter-narcotics operation authorized by President Donald Trump, includes approximately 10 ...

In a naval exercise, a modest $100M Swedish submarine stunned the U.S. Navy by “sinking” a $6B supercarrier — a result that ...

The Swedish military deployed fighter jets and a warship to shadow a Russian submarine after it entered the Baltic Sea on ...

Australia must learn from past guerrilla insurgencies and adopt an "unconventional deterrence" policy in facing down threats ...

NATO's chief said on Monday that there is a "lone and broken Russian submarine limping home from patrol" in the Mediterranean ...