Following Britain's biggest warship on a sensitive seven-month deployment in the Middle East.
HMS Ocean heads into a active war zone near Yemen, where a US warship was recently targeted. En route, she hosts a cocktail party for senior members of the Egyptian military.
HMS Ocean is buzzed by more then a dozen Iranian gunboats on her way to take over control of the US task force. As Christmas approaches, Prime Minister Theresa May visits HMS Ocean to address the ship's crew and the world's media.