651 Squadron
| Dates | Location | Higher Formation/Remarks |
| . | . | . |
| . | 651 Aviation Squadron | . |
| 1957.09.01 | England: RAF Debden: Formed from 651 AOP Squadron | . |
| 1958 | England: Middle Wallop: As the Overseas/Middle East Squadron | . |
| . | 1960 - 1962: Squadron deployed to Northern Ireland, the first AAC unit ever to do so. The aircraft in theatre at this time were the Skeeter and the Auster Mk IX | . |
| . | 1966 - 1969: Employed as 3 Division Army Aviation HQ | . |
| 1971.11.01 | Germany: Caithness Barracks, Verden | 1 Regiment AAC: Westland Scout AH1 |
| . | 17 Feb - 17 Jun 72: Northern Ireland: Aldergrove | Scout Helicopter Detachment |
| . | 30 Nov 72 - 01 Apr 73: Northern Ireland: Omagh | Scout Helicopter Detachment |
| . | 1 Jan 73: Renamed 651 Squadron AAC | . |
| . | 28 Aug 74 - 30 Jun 75: Northern Ireland: Long Kesh | Scout Helicopter Detachment |
| . | 1 Mar - 1 Jul 75: Northern Ireland: Long Kesh/Ballykelly | . |
| . | 12 Aug - 11 Dec 76: Northern Ireland: Aldergrove | . |
| . | 12 Apr - 15 Aug 78: Northern Ireland: Aldergrove/Omagh/Ballykelly | . |
| 1978.04.01 | Germany: Tofrek Barracks East, Hildesheim | 1 Regiment AAC |
| . | 12 Feb - 11 Jun 80: Northern Ireland: Aldergrove | . |
| . | Jun - c Oct 1983: Falkland Islands: | . |
| . | 1 Apr - 1 Aug 85: Northern Ireland: Aldergrove | . |
| 1993.06 | Germany: Princess Royal Bks, Gutersloh: Anti-Tank Role | 1 Regiment AAC: Gazelle AH.1, Lynx AH.7 |
| . | 1996: Bosnia and Herzegivina, flying the Lynx Mk 7 on Operation Joint Endeavour | IFOR |
| 2000.03.31 | England: Middle Wallop: Development & Trials Role | HQ Director Army Aviation: Apache AH1 |
| . | 2003: Disbanded | . |
| . | . | . |
| . | 651 Squadron AAC | . |
| 2006 | England: Reformed at RAF Odiham as the primary operator of the Defender AL1, providing fixed-wing manned airborne surveillance in support of counter terrrorist operations | . |
| 2008.07 | Northern Ireland: RAF Aldergrove | 5 Regiment AAC |
| . | 20 Sep 2009: Station became Joint Helicopter Command Flying Station Aldergrove | . |
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