Timothy Granville-Chapman

Lieutenant General Sir Henry Royds Pownall, was a senior British Army officer who held several command and staff positions during the Second World War. In particular, he was chief of staff to the British Expeditionary Force (BEF) in France and Belgium until the battle of France in May/June 1940. He was later chief of staff to General Sir Archibald Wavell until the fall of Singapore in February 1942, and was then chief of staff to Admiral Lord Louis Mountbatten in South East Asia in 1943–1944.

Field Marshal Michael John Dawson Walker, Baron Walker of Aldringham, is a retired British Army officer. Commissioned in 1966, he served in Cyprus, Northern Ireland, and in a variety of staff posts in the United Kingdom until 1984. After being given command of a battalion, he was mentioned in despatches for his service during a second tour of duty in Northern Ireland, this time in Derry, and subsequently served a tour on Gibraltar. He was promoted to brigadier, unusually having never held the rank of colonel, and took command of 20th Armoured Brigade in Germany before becoming I Corps chief of staff.

Field Marshal Richard Frederick Vincent, Baron Vincent of Coleshill, was a British Army officer. After serving with British Army of the Rhine he served with the Commonwealth Brigade in Malaysia during the Indonesia–Malaysia confrontation. He commanded 12th Light Air Defence Regiment in Northern Ireland during the Troubles, for which he was appointed a Companion of the Distinguished Service Order, and later commanded 19th Airportable Brigade. Although he never served as one of the individual service heads, he went on to be Vice-Chief of the Defence Staff in the late 1980s and then Chief of the Defence Staff in the aftermath of the Gulf War. He subsequently became Chair of the Military Committee of NATO in the mid-1990s.

Marshal of the Royal Air Force Sir Edward Leonard Ellington, was a senior officer in the Royal Air Force. He served in the First World War as a staff officer and then as director-general of military aeronautics and subsequently as controller-general of equipment. In the inter-war years he held command positions in the Middle East, in India and then in Iraq. He served as Chief of the Air Staff in the mid-1930s and in that role he implemented a plan, known as 'Scheme F'. This scheme implemented an increase in the size of the Royal Air Force to 187 squadrons within three years to counter the threat from Hitler's Germany. He also broke up the command known as "Air Defence of Great Britain" to create RAF Fighter Command, RAF Bomber Command, RAF Coastal Command and RAF Training Command. He then served as Inspector-General of the RAF until his retirement in 1940.

Air Chief Marshal Sir Glenn Lester Torpy, is a retired senior Royal Air Force (RAF) commander. He was a fast jet pilot in the late 1970s and 1980s, saw active service during the Gulf War and then went on to higher command. He was the air component commander on Operation Telic and served as Chief of the Air Staff, the professional head of the RAF, from 2006 to 2009. In that role Torpy hosted the RAF's biggest air display in two decades, and argued for consolidation of all British air power in the hands of the RAF.

General John Nicholas Reynolds Houghton, Baron Houghton of Richmond, is a retired senior British Army officer and former Chief of the Defence Staff (CDS) of the British Armed Forces. He was appointed CDS in July 2013, following the retirement of General Sir David Richards. He served as Commanding Officer of the 1st Battalion, the Green Howards in Northern Ireland during The Troubles and later became Commander of the 39th Infantry Brigade in Northern Ireland. He deployed as Senior British Military Representative and Deputy Commanding General, Multi-National Force – Iraq during the Iraq War. Later, he became Chief of Joint Operations at Permanent Joint Headquarters and served as Vice-Chief of the Defence Staff until assuming the position of CDS. Houghton retired from the British Army in July 2016, and was succeeded as CDS by Air Chief Marshal Sir Stuart Peach.

General David Julian Richards, Baron Richards of Herstmonceux, is a retired senior British Army officer and Peer who was formerly the Chief of the Defence Staff, the professional head of the British Armed Forces. He succeeded Air Chief Marshal Sir Jock Stirrup in this role on 29 October 2010.

General Francis Richard Dannatt, Baron Dannatt, is a retired senior British Army officer and member of the House of Lords. He was Chief of the General Staff from 2006 to 2009.

Admiral Sir Mark Stanhope, is a retired Royal Navy officer. After serving as a submarine commander, he commanded a frigate and then commanded an aircraft carrier on operational patrol off Sierra Leone. He went on to be Deputy Supreme Allied Commander Transformation and then Commander-in-Chief Fleet. He served as First Sea Lord and Chief of the Naval staff, the professional head of the Royal Navy, from July 2009 to April 2013. In this role he advised the British Government on the deployment of naval forces during operations around Libya. He was succeeded by Admiral Sir George Zambellas in April 2013.

Air Chief Marshal Stuart William Peach, Baron Peach, is a British retired senior Royal Air Force officer. After training as a navigator, Peach commanded IX (Bomber) Squadron and then became Deputy Station Commander RAF Bruggen. He was deployed as NATO Air Commander (Forward) in Kosovo in 2000. He went on to be Chief of Defence Intelligence in 2006, Chief of Joint Operations in 2009 and the first Commander of Joint Forces Command in December 2011 before being appointed Vice-Chief of the Defence Staff in May 2013. Peach succeeded General Sir Nick Houghton as Chief of the Defence Staff on 14 July 2016. He succeeded General Petr Pavel as Chairman of the NATO Military Committee on 29 June 2018, serving as such until his retirement from NATO in June 2021.

General Sir James Rupert Everard, is a retired senior British Army officer who served as NATO's Deputy Supreme Allied Commander Europe.

General Sir Nicholas Patrick Carter, is a Kenyan-born former senior British Army officer who served as Chief of the Defence Staff from June 2018 to November 2021.

General Sir Richard Lawson Barrons, is a retired British Army officer. He was Commander Joint Forces Command from April 2013 until his retirement in April 2016.

Lieutenant General Sir George Pemberton Ross Norton, is a retired British Army officer. He was the UK Military Representative to NATO from 2016 to 2020, and has served as the Commandant of the Royal College of Defence Studies since 2020.

General Sir Mark Alexander Popham Carleton-Smith, is a senior British Army officer who served as Chief of the General Staff from June 2018 to June 2022. He previously served as Director Special Forces and commanded 22 Special Air Service Regiment.

General Sir Patrick Nicholas Yardley Monrad Sanders,, is a senior British Army officer serving as Chief of the General Staff since June 2022.

Admiral Sir Timothy Peter Fraser, is a retired senior Royal Navy officer who served as Vice-Chief of the Defence Staff from May 2019 to August 2022.