The US Navy has test fired two Raytheon-built Tomahawk cruise missiles from new submarine payload tubes on the Virginia-class naval vessel USS North Dakota (SSN-784) in the Gulf of Mexico near Florida.
The British Royal Navy's assault ship HMS Albion has successfully completed four weeks of initial sea trials following the vessel's £90m mid-life technical upgrade programme.
British Royal Navy and Royal Marines personnel have trained alongside naval forces from several partner nations during deployment on-board a French warship.