Royal Irish Regiment
| Dates | Locations | Higher Formation/Remarks |
| . | . | . |
| . | 1st Battalion, The Royal Irish Regiment (27th (Inniskilling) 83rd and 87th and The Ulster Defence Regiment | . |
| . | . | . |
| 1992.07.01 | Formed by renaming 1st Battalion, The Royal Irish Rangers (27th (Inniskilling) 83rd and 87th) | . |
| 1992.07 | Cyprus: Salamanca Barracks, Episkopi | . |
| 1993? | UK? | . |
| . | Aug 93: disbanded and concurrently re-formed by renumbering 2nd Battalion | . |
| 1993 | UK? | . |
| 1995.01 | England: Alma Barracks, Catterick | 19 Mechanised Brigade |
| . | Feb - Jun 96: Northern Ireland: Rural Roulement Battalion | . |
| . | Feb - Oct 97: Bosnia | . |
| . | 1998? D (Gurkha) Coy attached (Gurkha Reinforcement Company) | . |
| . | Dec 88 - ?? 99: Macedonia?? | . |
| . | Jun - Sep 99: Kosovo 'Operation AGRICOLA | . |
| 1999.12 | England: Howe Barracks, Canterbury | 16 Air Assault Brigade |
| . | 22 Jul 00 - 00??: Sierra Leone | IMATT |
| . | Jun 01 - Dec 01: Northern Ireland | . |
| . | Feb 03 - Mar 03: Persian Gulf | 16 Air Assault Brigade |
| . | Mar 03 - May 03: Iraq (Op Telic 1) | 16 Air Assault Brigade |
| . | Jul 03: D (Gurkha) Coy disbanded | . |
| 2003.09 | Scotland: Fort George | MND(SE) |
| . | Sep 03 - 1 Sep 04: Northern Ireland: Province Reinforcement Bn | . |
| . | Jul 05 - Jan 06: Iraq: Shibah | . |
| 2007.07 | England: Clive Barracks, Tern Hill | 16 Air Assault Brigade |
| . | Apr 08 - Oct 08: Afghanistan: Helmand Province: (Op Herrick 8) | 16 Air Assault Brigade |
| . | Oct 10 - Apr 11: Afghanistan (Op Herrick 13) | 16 Air Assault Brigade |
| . | . | . |
| . | ??: Will join the Prince of Wales Division | . |
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| . | 2nd Battalion, The Royal Irish Regiment (27th (Inniskilling) 83rd and 87th and The Ulster Defence Regiment | . |
| . | . | . |
| 1992.07.01 | Formed by renaming 2nd Battalion, The Royal Irish Rangers (27th (Inniskilling) 83rd and 87th) | . |
| 1992.07 | Germany: Stornoway Barracks, Lemgo | 20 Armoured Brigade |
| 1993.08 | UK | . |
| . | Aug 93: renumbered 1st Battalion on disbandment of old 1st Battalion | . |
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