4 Regiment
| Dates | Location | Higher Formation / Notes |
| 4 Training Regiment | ||
| 1947 | England: Gibraltar Barracks, Aldershot | Formed from 1 MT Trg Depot RE. |
| 1957: 55 Trg Sqn transferred from 28 Regt | ||
| 1958: 56 MT Trg Sqn transferred from 24 Regt | ||
| 1961: Regiment absorbed role of 3 Trg Regt, no additional sqns formed | ||
| Jun 62: 55 Trg Sqn and 56 MT Trg Sqn transferred to 1 Trg Regt. Regiment absorbed by 1 Trg Regt | ||
| Dec 62: Disbanded | ||
| 4 Division Engineers | ||
| 1957.11 | Germany: Alanbrooke Barracks, Paderborn: 1 Fd Sqn at Sennelager (20 Armd Bde), 5 Fd Sqn at Iserlohn (5 Inf Bde), 29 Fd Sqn at Hameln (4 Guards Bde) and 45 Fd Pk Sqn at Sennelager | Formed in Germany with HQ at Herford 1 Fd, 5 Fd, 29 Fd and 44 Fd Pk Sqns |
| 1960: 1 Fd Sqn transferred to 1 Div. | 5 Fd, 29 Fd and 44 Fd Pk Sqns | |
| Mar 60: 5 Fd Sqn moved to Paderborn. | ||
| Nov 61: 25 Fd Sqn joined from 2 Div, 29 Fd Sqn to 2 Div | 5 Fd, 25 Fd and 44 Fd Pk Sqns | |
| Jan 68: 44 Fd Park Sqn became 44 Fd Sp Sqn | 5 Fd, 25 Fd and 44 Fd Sp Sqns | |
| 1969.04 | Redesignated 26 Engineer Regiment. 44 Fd Sup Sqn remained at Paderborn, 5 and 25 Fd Sqns moved to Iserlohn | |
| 4 Armoured Division Engineer Regiment | ||
| 1977.12 | Germany: Gordon Bks, Hameln | Formed by redes of 35 Engineer Regiment: 29, 37 & 42 Fd Sqns, 65 Corps Sup and 44 Fd Sup Sqns |
| 23 Jan - 27 Apr 78: Northern Ireland Tour: Armagh | ||
| 1980: u/c | 29, 37 & 42 Fd Sqns, 44 Fd Sup Sqn | |
| Jan to April 80: 44 Fd Sup Sqn Northern Ireland | ||
| 23 Feb - 24 Jun 80: 37 Fd Sqn Northern Ireland Tour: Ballykelly | ||
| 23 Jun - 6 Nov 80: 29 Fd Sqn Northern Ireland Tour: Ballykelly | ||
| 20 Mar - 21 Jul 81: 42 Fd Sqn Northern Ireland Tour: Ballykelly | ||
| 1982: Renamed 35 Engineer Regiment | ||
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