Durham. AA Command was disbanded in 1955 and there were wholesale disbandments and mergers among the TA's AA units. On 10 March 1955, the 463rd HAA Rgt amalgamated with the Sunderland-based 582nd (7th Durham Light Infantry) Light Anti-Aircraft/Searchlight Rgt to form the 463rd (7th Durham Light Infantry) Light Anti-Aircraft/Searchlight Rgt, with R Battery contributed by the former 463rd HAA Rgt while the rest of the regiment continued Durham Light Infantry traditions. Insignia Around 1865, the unit wore a pouch belt plate comprising an oval strap surmounted by a crown and bearing the words 'SEAHAM VOLUNTEER ARTILLERY', surrounding three gun barrels in pale derived from the arms of the Board of Ordnance. Honorary Colonels The following served as Honorary Colonel of the unit: Lt-Col and Hon Col Charles Vane-Tempest-Stewart, 6th Marquess of Londonderry, KG, GCVO, CB, VD, former Commanding Officer, appointed (to III Northumbrian Brigade, RFA) on 7 December 1910. Charles Vane-Tempest-Stewart, 7th Marquess of Londonderry, KG, MVO, commissioned into the unit in 1895 before entering Royal Military College, Sandhurst and seeing active service with the Royal Horse Guards during World War I, appointed (to 55th Medium Brigade, RGA) on 13 August 1920 Footnotes Notes References Maj A.F. Becke,History of the Great War: Order of Battle of Divisions, Part 2a: The Territorial Force Mounted Divisions and the 1st-Line Territorial Force Divisions (42–56), London: HM Stationery Office, 1935/Uckfield: Naval & Military Press, 2007, . Maj A.F. Becke,History of the Great War: Order of Battle of Divisions, Part 2b: The 2nd-Line Territorial Force Divisions (57th–69th), with the Home-Service Divisions (71st–73rd) and 74th and 75th Divisions, London: HM Stationery Office, 1937/Uckfield: Naval & Military Press, 2007, . Ian F.W. Beckett, Riflemen Form: A Study of the Rifle Volunteer Movement 1859–1908, Aldershot: Ogilby Trusts, 1982, . Burke's Peerage, Baronetage and Knightage, 100th Edn, London, 1953. Basil Collier, History of the Second World War, United Kingdom Military Series: The Defence of the United Kingdom, London: HM Stationery Office, 1957. Richard Collier, Eagle Day: The Battle of Britain, August 6–September 15, 1940, London: Hodder & Stoughton, 1966/Pan Books, 1968, . Col John K. Dunlop, The Development of the British Army 1899–1914, London: Methuen, 1938. Brig-Gen Sir James E. Edmonds & Lt-Col R. Maxwell-Hyslop, History of the Great War: Military Operations, France and Belgium 1918, Vol V, 26th September–11th November, The Advance to Victory, London: HM Stationery Office, 1947/Imperial War Museum and Battery Press, 1993, . Capt Cyril