The French navy opened fire on a go-fast boat in the Atlantic to immobilise it, arrest its crew and seize 2.4 tonnes of cocaine on board worth $150 million, authorities said on Tuesday.

Vessels from Plymouth's Royal Navy base have been involved in a major safety mission. Four of the smallest vessels in the Royal Navy demonstrated UK support for and resolve to safeguard Estonia with a joint workout in the Baltic.

A major drug bust by the Combined Task Force (CTF) 150 saw several boats intercepted by the Pakistan Navy Ship (PNS) Yarmook, reports said, prompting praise from the U.S. Central Command

The US Navy will christen the fast-attack submarine USS Utah on Saturday, reviving a naval name last carried by a battleship lost at Pearl Harbor and marking the addition of a multimillion-dollar boat to a fleet increasingly focused on undersea superiority.