The Royal Scots Dragoon Guards (Carabiniers and Greys) is a cavalry regiment of the British Army, and the senior Scottish regiment. The regiment, through the Royal Scots Greys, is the oldest surviving Cavalry Regiment of the Line in the British Army. The regiment is based at Waterloo Lines, Leuchars Station, as part of 51st Infantry Brigade and Headquarters Scotland, a light adaptable force brigade.
The Royal Tank Regiment (RTR) is the oldest tank unit in the world, being formed by the British Army in 1916 during the First World War. Today, it is the armoured regiment of the British Army's 12th Armoured Infantry Brigade. Formerly known as the Tank Corps and the Royal Tank Corps, it is part of the Royal Armoured Corps.
The Royal Green Jackets (RGJ) was an infantry regiment of the British Army, one of two "large regiments" within the Light Division.
The Royal Wessex Yeomanry is a reserve armoured regiment of the British Army Reserve consisting of five squadrons. Formerly part of 43 (Wessex) Brigade, the regiment joined 3rd Division in July 2014, to provide armoured resilience to the three armoured regiments within the Reaction Force. In 2015 the regiment was moved from the operational command of 3rd Division to 1st Armoured Infantry Brigade, and later to 12th Armoured Brigade Combat Team, but members of the regiment still wear the 3rd Division formation badge to reflect their role in supporting the three armoured regiments in the division.
The 17th Lancers (Duke of Cambridge's Own) was a cavalry regiment of the British Army, raised in 1759 and notable for its participation in the Charge of the Light Brigade during the Crimean War. The regiment was amalgamated with the 21st Lancers to form the 17th/21st Lancers in 1922.
The 5th Royal Irish Lancers was a cavalry regiment of the British Army. It saw service for three centuries, including the First World War. It amalgamated with the 16th The Queen's Lancers to become the 16th/5th Lancers in 1922.
The 21st Lancers (Empress of India's) was a cavalry regiment of the British Army, raised in 1858 and amalgamated with the 17th Lancers in 1922 to form the 17th/21st Lancers. Perhaps its most famous engagement was the Battle of Omdurman, where Winston Churchill (then an officer of the 4th Hussars), rode with the unit.
The 9th/12th Royal Lancers was a cavalry regiment of the British Army, formed in 1960 by the amalgamation of the 9th Queen's Royal Lancers and the 12th Royal Lancers. In the later years of its existence, the regiment served as a formation reconnaissance regiment, equipped with the Combat Vehicle Reconnaissance (Tracked) family of vehicles and was attached to the 7th Armoured Brigade, the Desert Rats. The regiment was based in South Wigston, Leicestershire, along with its affiliated Territorial Army unit, B Squadron, The Royal Yeomanry. It was amalgamated with the Queen's Royal Lancers on 2 May 2015 to form the Royal Lancers
The 5th Royal Inniskilling Dragoon Guards was a cavalry regiment of the British Army formed in 1922 by the amalgamation of the 5th Dragoon Guards and the 6th (Inniskilling) Dragoons. It served in the Second World War and the Korean War. In August 1992, as a consequence of the Options for Change defence cuts, the regiment was amalgamated with the 4th/7th Royal Dragoon Guards to form the Royal Dragoon Guards.
The 9th Queen's Royal Lancers was a cavalry regiment of the British Army, first raised in 1715. It saw service for three centuries, including the First and Second World Wars. The regiment survived the immediate post-war reduction in forces, but was amalgamated with the 12th Royal Lancers to form the 9th/12th Royal Lancers in 1960.
The 17th/21st Lancers was a cavalry regiment of the British Army. It was formed in England by the amalgamation of the 17th Lancers and the 21st Lancers in 1922 and, after service in the Second World War, it amalgamated with the 16th/5th The Queen's Royal Lancers to form the Queen's Royal Lancers in 1993.
The 16th/5th The Queen's Royal Lancers was a cavalry regiment of the British Army. It was formed by the amalgamation of the 16th The Queen's Lancers and the 5th Royal Irish Lancers in 1922. The reason for the uniquely atypical regimental title was that the 5th had been re-raised in 1858 almost 60 years after being disbanded, and when re-raised took precedence after the 17th Lancers. After service in the Second World War and the Gulf War, the regiment amalgamated with the 17th/21st Lancers to form the Queen's Royal Lancers in 1993.
The 12th Royal Lancers was a cavalry regiment of the British Army first formed in 1715. It saw service for three centuries, including the First World War and the Second World War. The regiment survived the immediate post-war reduction in forces, but was slated for reduction in the 1957 Defence White Paper, and was amalgamated with the 9th Queen's Royal Lancers to form the 9th/12th Royal Lancers in 1960.
The Northamptonshire Regiment was a line infantry regiment of the British Army in existence from 1881 until 1960. In 1960, it was amalgamated with the Royal Lincolnshire Regiment to form the 2nd East Anglian Regiment, which was amalgamated with the 1st East Anglian Regiment, the 3rd East Anglian Regiment and the Royal Leicestershire Regiment to form the present Royal Anglian Regiment.
The 2nd Dragoon Guards (Queen's Bays) was a cavalry regiment of the British Army. It was first raised in 1685 by the Earl of Peterborough as the Earl of Peterborough's Regiment of Horse by merging four existing troops of horse.
The 16th The Queen's Lancers was a cavalry regiment of the British Army, first raised in 1759. It saw service for two centuries, before being amalgamated with the 5th Royal Irish Lancers to form the 16th/5th Lancers in 1922.
The 5th Horse is an armoured regiment of the Pakistan Army. It was previously known as the 5th King Edward's Own Probyn's Horse, which was a regular cavalry regiment of the British Indian Army. It was formed in 1921 by the amalgamation of the 11th King Edward's Own Lancers (Probyn's Horse) and the 12th Cavalry.
The 15th Lancers (Baloch) is an armoured regiment of the Pakistan Army. It was formed in 1922 by the amalgamation of the 17th Cavalry and the 37th Lancers (Baluch Horse).
The 13th Lancers is an armoured regiment of Pakistan Army. It was formed in 1923 as 13th Duke of Connaught's Own Lancers by the amalgamation of 31st Duke of Connaught's Own Lancers and 32nd Lancers. On Partition of India in 1947, the regiment was allotted to Pakistan.
The Royal Lancers (Queen Elizabeths' Own) is a cavalry regiment of the British Army. The regiment was formed by an amalgamation of the 9th/12th Royal Lancers (Prince of Wales's) and the Queen's Royal Lancers on 2 May 2015. It serves in the 1st Deep Reconnaissance Strike Brigade Combat Team. The Royal Lancers are part of the 3rd (UK) Division.
United Kingdom 
British Army 
