Royal Sussex Regiment
| Dates | Locations | Higher Formation/Remarks |
| . | . | . |
| . | 1st Battalion, The Royal Sussex Regiment | . |
| . | . | . |
| 1944.11.03 | Greece | 7 Indian Inf Bde, 4 Indian Inf Div |
| 1945.06 | Austria | 61 Lorried Infantry Brigade |
| 1946.04 | Trieste: Sistiana Barracks | POW & Border duties |
| 1946 | Greece | AMFOGE |
| 1947.06 | Palestine: Quastina | 61 Lorried Infantry Brigade |
| 1948.02 | Egypt: Gothic Camp, Canal Zone | . |
| 1948.06 | England: Old Park Barracks, Dover | . |
| . | 15 Sept 48: amalgamated with 2nd Battalion | . |
| 1949.06 | Egypt: Hodgson's Camp, Suez, Canal Zone | 8 Infantry Brigade |
| . | Feb - Jul 50: Jordan, Aqaba | . |
| . | 1951: Egypt: Kantara, Gibana, El Ballah, Tewfik, Fayid, Kafr Abu, Ismallia, Shandur, Canal Zone | 3 Infantry Brigade |
| . | Oct 51: Part 17 Infantry Brigade | 17 Infantry Brigade |
| 1953.03 | England: Assaye Barracks, Tidworth | . |
| 1954.04 | Germany: Elizabeth Barracks, Minden | 61 Lorried Infantry Brigade |
| 1956.04 | England: Warley Barracks, Brentford | . |
| 1956.08 | Korea: Kohima Camp | Commonwealth Contingent |
| . | 27 Jul 57: Last British battalion to leave | . |
| 1957.08 | Gibraltar | . |
| . | May - Oct 58: Benghazi, Libya; from where it could protect King Idris in his palace in Tobruk | In HMS Cumberland |
| 1959.04 | England: Hobbs Barracks, Lingfield and Napier Barracks, Shorncliffe | . |
| 1959.10 | Northern Ireland: Palace Barracks, Holywood | . |
| 1961.10 | England: Napier Barracks, Shorncliffe | . |
| . | 1962?: Greece: A coy with 1 Middlesex | . |
| . | Sep - Oct 63: Chelsea, Barracks London | Public Duties |
| 1964.01 | Malta: St Andrews Barracks | . |
| . | Oct - Nov 64: Libya: Tarhuna Bks & Tripoli, St Barbara Camp, Timni | Desert Training |
| . | Libya: A Company (enemy for Sandhurst cadets) | . |
| . | Italy: B Company (8th Bersaglieri) | . |
| . | Sardinia: B Company (with 1 DERR) | . |
| . | Apr 65 - Oct 65: Aden: Radfan Camp | Aden Brigade |
| 1966.01 | England: Lee-Metford Camp, Lydd | . |
| . | Mar - Apr 66: Northern Ireland, Ballykinlar Camp (Hutted) | Trg & 39 Bde reserve |
| 1966.06 | Germany: Stornoway Barracks, Lemgo | 20 Armoured Brigade |
| . | 31 Dec 66: Renamed 3rd Battalion, The Queen's Regiment (Royal Sussex) upon formation of a "large" regiment from the Home Counties Brigade | . |
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| . | . | . |
| . | 2nd Battalion, The Royal Sussex Regiment | . |
| . | . | . |
| 1945 | Persia | . |
| 1946 | Malta | . |
| . | 15 Sept 48: amalgamated with 1st Battalion | . |
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