A commissioning ceremony will be held at a Connecticut shipyard as the first submarine to bear the USS Iowa name becomes an ...

Today's military submarines often run on nuclear power, which keeps them from having to put into port every few days for fuel ...

Divers go alongside the submarine and hold out fish food to attract the vast arrays of marine life to the windows. He added: “The sub goes 25 metres deep and explores about 500m of coral reef.

After 204 days, a Royal Navy nuclear-powered submarine broke the record for how long a crew was out on the open ocean.

The accident happened off the coast of Hurghada - the Russian embassy in Egypt says all the tourists on board were Russian.