The Artists Rifles, now known as 21 Special Air Service Regiment (Artists) (Reserve), was a regiment of the Territorial Force. Raised in London in 1859 as a volunteer light infantry unit, the regiment saw active service during the Second Boer War and the First World War, earning a number of battle honours. During the Second World War, it was used as an officer training unit. The regiment was disbanded in 1945, but in 1947 it was re-established to resurrect the Special Air Service Regiment. Today, the full title of the regiment is 21 Special Air Service Regiment (Artists) (Reserve). This is abbreviated to. Together with 23 Special Air Service Regiment (Reserve), it forms the Special Air Service (Reserve) part of the United Kingdom Special Forces (UKSF) directorate.
The Childers Reforms of 1881 reorganised the infantry regiments of the British Army. The reforms were done by Secretary of State for War Hugh Childers during 1881, and were a continuation of the earlier Cardwell Reforms.
The Middlesex Regiment was a line infantry regiment of the British Army in existence from 1881 until 1966. The regiment was formed, as the Duke of Cambridge's Own , in 1881 as part of the Childers Reforms when the 57th and 77th Regiments of Foot were amalgamated with the county's militia and rifle volunteer units.
The Army Cyclist Corps was a corps of the British Army active during the First World War, and controlling the Army's bicycle infantry.
The Kensington Regiment is a unit of the British Army, which originated in the Volunteer Rifle Corps' movement of the 1850s. In 1908 it became a battalion of the London Regiment in the Territorial Force. It was an infantry regiment from 1908 to 1940, a heavy fire support unit from 1940 to 1945, and has been a unit of the Royal Corps of Signals since 1945.
The 140th Brigade was an infantry brigade formation of the British Army's Territorial Army (TA) that had its origins in a South London Brigade of the former Volunteer Force. It served on the Western Front in the First World War and was recreated during the Second World War where it served only in the United Kingdom as a training formation.
The Paddington Rifles was a unit of the Territorial Army.
The 17th Battalion, The London Regiment , was a unit of Britain's Territorial Force formed in 1908 from Volunteer corps dating back to 1859. It saw considerable service on the Western Front, at Salonika and in Palestine during World War I. It served as an infantry regiment during World War II before conversion to an artillery unit in 1947 and subsequent amalgamation in 1967.
The 9th Battalion, Middlesex Regiment was an infantry battalion of the British Army. Part of the Volunteer Force, later the Territorial Force, the battalion was part of the Middlesex Regiment and recruited from the north-western suburbs of London. It served as infantry in the Mesopotamian campaign during World War I and as an air defence regiment during and after World War II.
From the creation of the British Regular Army in 1660, it has been supplemented by part-time volunteer units raised on a local basis. Northamptonshire has often been in the forefront of raising these units, both of horse and foot, whenever circumstances required.
The Northern Cyclist Battalion was a bicycle infantry battalion of the Territorial Force, part of the British Army. Formed in 1908, it served in the United Kingdom throughout the First World War and in 1920 it was converted as part of the Royal Garrison Artillery.
The Highland Cyclist Battalion was a bicycle infantry battalion of the Territorial Force, part of the British Army. Formed as part of the Volunteer Force in 1860, it became a Volunteer Battalion of the Black Watch in 1881. In 1909 it became an independent unit and served in the United Kingdom throughout the First World War. In 1920 it was converted as part of the Highland Divisional Signals.
The Kent Cyclist Battalion was a bicycle infantry battalion of the Territorial Force, part of the British Army. Formed in 1908, it was sent to India in the First World War and saw active service during the Third Anglo-Afghan War in 1919. In 1920, it was converted as part of the Royal Artillery.
The Huntingdonshire Cyclist Battalion was a bicycle infantry battalion of the British Army. Formed in the Territorial Force in February 1914, it remained in the United Kingdom throughout the First World War. After the war, in 1920, it was converted to infantry and became the 5th (Huntingdonshire) Battalion, Northamptonshire Regiment, in the Territorial Army. The battalion saw extensive service in the Second World War, fighting in France in 1940, Tunisia from 1942–43 and later Sicily and Italy from 1943–45 before ending the war in May 1945 in Austria. It continued to serve after the Second World War until May 1961 when it was amalgamated with the 4th Battalion, Northamptonshire Regiment, to form the 4th/5th Battalion, Northamptonshire Regiment.
The Rangers was a volunteer unit of the British Army, originally formed in 1860. It provided a detachment for service in the Second Boer War, saw intensive action on the Western Front in the First World War, and served as motorised infantry during the Second World War during the campaigns in Greece and the Western Desert.
The St Giles's and St George's Bloomsbury Rifle Volunteer Corps, more familiarly known as the Bloomsbury Rifles, was a Volunteer unit of the British Army in London from 1803 to 1814 and from 1860 until 1908.
The 6th Battalion, Hampshire Regiment was an infantry battalion of the British Army. Part of the Volunteer Force, later the Territorial Force, the battalion was part of the Hampshire Regiment and recruited from Portsmouth, Hampshire. It served as infantry during World War I and as a Royal Artillery regiment during and after World War II.
The 5th (Cyclist) Battalion, East Yorkshire Regiment was a mobile coast defence unit of Britain's Territorial Force. It was formed in 1908 from a nucleus provided by a Volunteer battalion first raised in 1859. It carried out its defence duties along the East Coast throughout World War I and after the war it was incorporated into a unit of the new Royal Corps of Signals.
The 5th Battalion, King's Regiment (Liverpool) was a volunteer unit of the King's Regiment (Liverpool) of the British Army, part of the Territorial Force (TF).
The 1st Sussex Rifle Volunteers was a part-time unit of the British Army first raised from the county of Sussex in 1859. It later became the 6th (Cyclist) Battalion of the Royal Sussex Regiment. During World War I it served in home defence in Britain and Ireland, while its 2nd Line battalion served in India and Waziristan. It was not reformed after the war.
United Kingdom 
Territorial Army 