British Armed Forces Commander-in-chief is the British monarch, currently Queen Elizabeth II, to whom members of the forces swear allegiance. The UK Parliament approves the continued existence of the British Army by passing an Armed Forces Act at least once every five years, as required by the Bill of Rights 1689. The Royal Navy, Royal Air Force and Royal Marines among with all other forces do not require this act. The armed forces are managed by the Defence Council of the Ministry of Defence, headed by the Secretary of State for Defence. The United Kingdom is one of five recognised nuclear powers, is
British Armed Forces and the Royal Montserrat Defence Force. Though their primary mission is "home defence", individuals have volunteered for operational duties. The Royal Gibraltar Regiment mobilised section-sized units for attachment to British regiments deployed during the Iraq War. The Isle of Man, a Crown dependency hosts a multi-capability recruiting and training unit of the British Army Reserve. The British Armed Forces place significant importance in the ability to conduct expeditionary warfare. While the armed forces are expeditionary in nature, it maintains a core of "high readiness" forces trained and equipped to deploy at very short notice, these include; the Joint Expeditionary Force