The Chief of the Defence Staff (CDS) is the professional head of the British Armed Forces and the most senior uniformed military adviser to the Secretary of State for Defence and the Prime Minister of the United Kingdom. The chief of the defence staff is based at the Ministry of Defence and works alongside the Permanent Under-Secretary of State for Defence, the ministry's senior civil servant. The Chief of Defence is the highest ranking officer to currently serve in the armed forces.
Image: Air Vice Marshal Dickson near Venafro, Italy (cropped)
Image: Lord Mountbatten Naval in colour Allan Warren
Image: General Sir Richard Hull speaks to officers (cropped)
Admiral of the Fleet is a five-star naval officer rank and the highest rank of the Royal Navy, formally established in 1688. The five-star NATO rank code is OF-10, equivalent to a field marshal in the British Army or a Marshal of the Royal Air Force. Apart from honorary appointments, no new admirals of the fleet have been named since 1995, and no honorary appointments have been made since 2014.
King George VI and Admiral Bruce Fraser aboard HMS Duke of York at Scapa Flow, August 1943
Image: George Legge, 1st Baron Dartmouth by John Riley
Image: Gibson, Edward Russell
Image: George Rooke 2