The Great War
Three units formed
1914
1st / 1st Sussex Yeomanry 2nd / 1st Sussex Yeomanry
1915
3rd / 1st Sussex Yeomanry
1916
2nd / 1st Sussex Yeomanry converted to Cyclist and amalgamated with 2nd / 1st Surrey
8th (Surrey and Sussex) Yeomanry Cyclist Regiment
1917
1st / 1st Sussex Yeomanry converted to infantry
16th (Sussex Yeomanry) Battalion, The Royal Sussex Regiment
2nd / 1st Sussex Yeomanry resumed separate status as Cyclists
1919
16th (Sussex Yeomanry) Battalion, The Royal Sussex Regiment disembodied
1920
2nd / 1st Sussex Yeomanry disbanded
Battle Honours awarded to Sussex Yeomanry:
Somme 1918, Bapaume 1918, Hindenburg Line, Epéhy, Pursuit to Mons, France and
Flanders 1918, Gallipoli 1915, Egypt 1916-17, Gaza, Jerusalem, Tell' Asur, Palestine
Change of arm and re-designated as:
13th Army Brigade, Royal Field Artillery
389th and 390th Batteries, 98th (Sussex Yeomanry) Brigade, Royal Field Artillery
1922
Surrey Yeomanry batteries ( 391st and 392nd ) added with change of title to:
98th (Surrey and Sussex Yeomanry) Brigade, Royal Field Artillery
98th (Surrey and Sussex Yeomanry, Queen Mary's) (Army) Field Brigade, Royal Artillery
98th (Surrey and Sussex Yeomanry, Queen Mary's) Army Field Brigade, Royal Artillery
98th (Surrey and Sussex Yeomanry, Queen Mary's) Army Field Regiment, Royal Artillery
1939
On duplication of the Territorial Army, re-designated as:
144th Field Regiment, Royal Artillery
98th (Surrey and Sussex Yeomanry, Queen Mary's) Field Regiment, Royal Artillery
[see Surrey Yeomanry]
144th Field Regiment, Royal Artillery (Surrey and Sussex Yeomanry, Queen Mary's)
WW2
Location of operations
98th Field Regiment 144th Field Regiment
344th (Susssex Yeomanry) Light Anti-Aircraft and Searchlight Regiment, Royal Artillery
1950
Amalgamated without change of title with:
605th (Sussex) Heavy Anti-Aircraft Regiment, Royal Artillery
258th (Sussex) Heavy Anti-Aircraft Regiment, Royal Artillery
313rd (Sussex) Heavy Anti-Aricraft Regiment, Royal Artillery
641st (Mixed) Heavy Anti-Aircraft Regiment, Royal Artillery (Sussex)
258th (Sussex Yeomanry) Light Anti-Aircraft Regiment, Royal Artillery
257th (County of Sussex) Field Regiment, Royal Artillery
257th (Sussex Yeomanry) Field Regiment, Royal Artillery
1967
Reduced to one Battery designated:
200th (Sussex Yeomanry) Field Battery, Royal Artillery (Volunteers)
200th (Sussex Yeomanry) Medium Battery, 100th (Eastern) Medium Regiment,
Royal Artillery (Volunteers)
200th (Sussex Yeomanry) Medium Battery, 100th (Yeomanry) Medium
Regiment, Royal Artillery
200th (Sussex Yeomanry) Field Battery, 100th (Yeomanry) Field Regiment,
To include B Troop from The Surrey Yeomanry (Queen Mary's Regiment),
Royal Artillery (Territorials)
Two Troops of Sussex Yeomanry formed part of:
127th (Sussex Yeomanry) Field Squadron, 78th (Fortress) Engineer Regiment, Royal Engineers
To include a Troop from Surrey Yeomanry and Troops from 39 (City of London) Signal Regiment, Royal Corps of Signals
1999
127
th Field Squadron disbanded
Sussex Yeomanry components are placed in suspended animation (two troops) Surrey Yeomanry and Royal Corps of Signals components (three troops) re-roled and re-designated as:
579th (Bomb Disposal) Squadron, Royal Engineers, 101st (London) Engineer Regiment (Explosive Ordnance Disposal), Royal Engineers
2008
Two Troops of Sussex Yeomanry component reformed and re-roled as :
No. 1 Troop, 579th (Bomb Disposal) Squadron, Royal Engineers, 101st (London) Engineer Regiment (Explosive Ordnance Disposal), Royal Engineers