20 Squadron
| 20 Engineer Park Squadron | ||
| Dates | Location | Higher Formation / Notes |
| 1949.01 | England: Maidstone | Formed by redes of 620 Engr Pk Coy 36 Army Engineer Regiment |
| 1950: Renamed 20 Army Field Park Squadron | ||
| 1951.01 | England: Ripon | 36 Army Engineer Regiment |
| 1954: Amalgamated with Engineer Training Centre, Ripon and disbanded. | ||
| 20 Field Squadron | ||
| 1954.03 | England: Ripon | 58 Sqn renumbered 20 Sqn 36 Army Engineer Regiment |
| 1955.10 | Germany: Osnabruck | 36 Corps Engineer Regiment |
| Nov - Dec 56: Malta: as part of Port Said operations | 36 Corps Engineer Regiment | |
| 1958.09 | England: Invicta Park Barracks, Maidstone | 36 Corps Engineer Regiment |
| Dec 58 - Dec 59: Christmas Island | 36 Corps Engineer Regiment | |
| Dec 59: Absorbed 57 Fd Sqn | ||
| 12 May 61 - Oct 61: Cameroons, near Kumba | ||
| Dec 63 - Apr 64: Christmas Island | work on new petroleum tank farms | |
| Jan 64: Regiment redesignated 36 Engineer Regiment | 36 Engineer Regiment | |
| Sep 65 - Oct 66: Aden: Falaise Camp, Little Aden | ||
| Oct - Dec 68: British Honduras | ||
| Sep 69 - Jun 70: Gibraltar | less one Tp to CYPRUS | |
| 18 Feb to 18 Jun 71: Northern Ireland Tour: Castledillon | ||
| 13 Oct 72 - 13 Feb 73: Northern Ireland Tour: Castledillon | ||
| 21 Oct - 12 Dec 74: Northern Ireland Tour: Long Kesh (Maze Rebuild) | 36 Engineer Regiment | |
| 2 May - 17 May 77: Northern Ireland Tour: UUAC Strike | ||
| 9 Feb - 9 Jun 78: Northern Ireland Tour: Castledillon | ||
| Sep 83 - Jan 84: Falkland Islands | 37 Engineer Regiment | |
| Oct 07 - Apr 08: Afghanistan: Op Herrick 7 | ||
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