Admiral Sir John Cunningham Kirkwood Slater,, known as Jock Slater, is a retired Royal Navy officer. He commanded a minesweeper, a frigate and then a destroyer before taking over the aircraft carrier HMS Illustrious and then achieving higher command in the Navy. He served as First Sea Lord and Chief of the Naval Staff from 1995 to 1998: in that capacity he played a key role in the 1998 Strategic Defence Review carried out by the Labour Government that had come to power a year earlier.
Air Chief Marshal Sir Richard Edward Johns, is a retired senior Royal Air Force commander. He was a fighter pilot in the 1960s, commanding officer of a squadron during the 1970s and a station commander in the 1980s. Johns served as one of three British directors of operations on the senior planning staff for Operation Granby in 1991 and then acted as a supporting commander for joint operations in the Balkans in 1994. As Chief of the Air Staff he advised the British Government on the air force aspects of the Strategic Defence Review and on NATO's air campaign in Kosovo.
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 Sir John George Reith, is a retired senior British Army officer who was the Deputy Supreme Allied Commander Europe within the North Atlantic Treaty Organization (NATO) from October 2004 to October 2007.
Air Vice-Marshal John Maurice Maynard Ponsonby, was a British businessman and a senior officer of the Royal Air Force.
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 Sir Gordon Kenneth Messenger, is a retired senior Royal Marines officer who served as Vice-Chief of the Defence Staff from May 2016 to May 2019. As a colonel he commanded 40 Commando during the Iraq War, and led the Commando in the assault on the Al-Faw Peninsula. He served as British Commander of Task Force Helmand, during the 3 Commando Brigade deployment to Helmand Province, Afghanistan on Operation Herrick IX from 2008 to 2009. After his retirement, Messenger has held ceremonial positions, including Lord High Steward at the coronation of King Charles III in 2023.
Lieutenant General Sir Philip Charles Cornwallis Trousdell is a retired senior British Army officer who was General Officer Commanding Northern Ireland and Commandant of the Royal Military Academy Sandhurst. He was commanding officer of the 2nd Battalion, Royal Irish Rangers before advancing to high command and in that capacity was deployed to Bosnia-Herzegovina.
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 James Benjamin "Jim" Dutton, is a retired Royal Marines officer and former Governor of Gibraltar. He held various staff positions in his early career, before commanding 40 Commando. As a brigadier, he held two high-level staff posts—the first at the Ministry of Defence in London, as Director of NATO policy, and the second as a British liaison to The Pentagon shortly after the September 11 attacks, where he was involved in the planning for the subsequent invasion of Afghanistan.
Lieutenant General Sir James Jeffrey Corfield Bucknall, is a retired British Army officer and former Commander of the Allied Rapid Reaction Corps.
Vice Admiral Sir Charles Anthony Johnstone-Burt, is a retired Royal Navy officer who is currently serving as the Master of the Household. In this role, he took part in the 2023 Coronation.
Lieutenant General Timothy Paul Evans, is a retired British Army officer, who served as Commandant of the Royal Military Academy Sandhurst from 2012 to 2013 and then commander of the Allied Rapid Reaction Corps from 2013 to 2016.
Lieutenant General Edward Grant Martin Davis, is a former senior Royal Marines officer. He was Commandant General Royal Marines from December 2011 to June 2014, and the Deputy Commander of NATO's Allied Land Command in Izmir, Turkey, from 2014 to 2015. He was Governor of Gibraltar from 2016 to 2020.
Lieutenant General Peter Thomas Clayton Pearson, is a former British Army officer who served as Commandant of the Royal Military Academy Sandhurst from 2006 to 2007.
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.
Air Marshal Edward Jackson Stringer, is a retired Royal Air Force officer. From April 2018 to 2021 he served as Director-General of the Defence Academy. He also served as Director-General of Joint Force Development, Strategic Command from April 2018 to March 2021. He served as Assistant Chief of the Air Staff from April 2013 to January 2015, and as Assistant Chief of the Defence Staff (Operations) from March 2015 to 2018.
Major General Martin Linn Smith, is a former senior Royal Marines officer who served as Commandant General Royal Marines from 2014 to 2016. He was previously commander of 3 Commando Brigade, and before that Commanding Officer of 30 Commando Information Exploitation Group and Deputy Commander of 3 Commando Brigade. Smith is currently a non-executive adviser of Texo Group.
Lieutenant General Sir Robert Andrew Magowan, is a senior Royal Marines officer who serves as the Deputy Chief of the Defence Staff since May 2022. He previously served as Commandant General Royal Marines from 2016 to 2017 and again from 2021 to 2022.
Lieutenant General Sir Charles Richard Stickland, is a senior Royal Marines officer, who served as the Chief of Joint Operations from November 2021 to November 2024. He was Commandant General Royal Marines from January 2018 to June 2019.
