According to US Central Command, Houthis launch drones and missile into shipping lanes in Red Sea. US Navy and Royal Navy respond.

US Navy destroyer USS Mason & Japanese destroyer JS Akebono, have been training in the Gulf of Aden.

BAE Systems moves a section of HMS Dreadnought.

The US Navy aircraft carrier USS Dwight D.Eisenhower has now deployed from the east coast of the USA and is heading to the Mediterranean.

Australia is tilting investment in future defence capabilities decisively towards maritime power projection and deterrence.

An outline document published by the UK Government sets out its plans.