
The 13th (Service) Battalion (Wandsworth), East Surrey Regiment was a British New Army infantry battalion during the First World War. Formed in 1915 as a hostilities-only battalion, it was part of the East Surrey Regiment garrisoned at Witley, England. Going to France in 1916, it saw action at the battles of the Somme, Cambrai, Arras and the Lys.

23rd Battalion, London Regiment was a battalion of the London Regiment (1908-1938), based at the St John's Hill drill hall in Lavender Hill, south London. It served as a Tank Regiment during the Second World War, but reverted to Infantry in the Territorial Army in 1956, when it became a Territorial Battalion of the East Surrey Regiment. In 1961 it was amalgamated to form the 4th (Territorial) Battalion of the Queen's Royal Surrey Regiment.

The 42nd Royal Tank Regiment was an armoured regiment of the British Army from 1938 until 1956. It was part of the Royal Tank Regiment, itself part of the Royal Armoured Corps.

54th Heavy Anti-Aircraft Regiment was a volunteer air defence unit of Britain's Territorial Army from 1922 until 1954. In World War II it defended London during The Blitz and later served in the Middle East.

The 140th Field Regiment, Royal Artillery was a unit of Britain's Territorial Army formed in 1939, just before World War II. During the Battle of France, in 1940, it participated in defending Cassel to protect the British Expeditionary Force's evacuation from Dunkirk. Barely half the men escaped to England, where the regiment was rebuilt. It later served in home defence, in Tunisia, and after conversion to the medium artillery role, in Italy, where it was disbanded.

The 140th Field Regiment, Royal Artillery was a unit of Britain's Territorial Army formed in 1939, just before World War II. During the Battle of France, in 1940, it participated in defending Cassel to protect the British Expeditionary Force's evacuation from Dunkirk. Barely half the men escaped to England, where the regiment was rebuilt. It later served in home defence, in Tunisia, and after conversion to the medium artillery role, in Italy, where it was disbanded.

54th Heavy Anti-Aircraft Regiment was a volunteer air defence unit of Britain's Territorial Army from 1922 until 1954. In World War II it defended London during The Blitz and later served in the Middle East.