40 Commando
| Dates | Locations | Higher Formation |
| 1945 | Italy | |
| June 45:Sailed to UK. | ||
| Oct 45: Disbanded | ||
| 1947.03.16 | Reformed in Hong Kong by redesignating 44 Commando RM | |
| 1947.03 | Hong Kong | 3 Commando Brigade |
| 1947.06 | Malta: Imtarfa Barracks | 3 Commando Brigade |
| Jan - May 48: Palestine | 6 Airborne division | |
| Nov 48 - 1949: Cyprus | 3 Commando Brigade | |
| 21 Jul 49: Sailed from Malta | ||
| 1949.08 | Hong Kong | 3 Commando Brigade |
| 1950.05 | Malaya | 3 Commando Brigade |
| 1952.06 | Malta | 3 Commando Brigade |
| 29 Nov 52: 1st colours presented to Commando | ||
| Feb 53 - Oct 54: Egypt: Canal Zone | 3 Commando Brigade | |
| Sep 55 - Aug 56: Cyprus | 3 Commando Brigade | |
| Nov 56: Suez: Port Said | 3 Commando Brigade | |
| Feb 57 - Jul 58: Cyprus | 3 Commando Brigade | |
| Jan - Mar 59: Cyprus | 3 Commando Brigade | |
| 1962: Troops reorganised as Companies A, B, C | ||
| 1962.05 | Singapore: Dieppe Barracks | |
| Dec 62 - Jan 63: Borneo | ||
| Apr - Jul 63: Sarawak | ||
| Oct 63 - Feb 64: Sarawak | ||
| Jul - Dec 64: Sarawak: Tawau | ||
| May 65: On ops in Johore | ||
| Jul - Nov 65: Borneo: Serian | ||
| May - Sep 66: Borneo: Simmangeang Barracks | ||
| 1967: IS duties in Hong Kong | ||
| Sep 70: Hong Kong | ||
| Nov 71: Sailed from Singpore | ||
| 1972.04 | England: Seaton Barracks, Plymouth | |
| Jun - Oct 72: Northern Ireland: Belfast (New Lodge/Unity) | ||
| Jun - Oct 73: Northern Ireland: Belfast (New Lodge/Unity) | ||
| Jul - Sep 74: Cyprus | ||
| Feb - Jun 75: Northern Ireland: Belfast (Andersontown/Suffolk/Twinbrook) | ||
| Aug - Dec 76: Northern Ireland: Bessbrook | ||
| Mar 79 - Mar 80: Northern Ireland: Shackleton Barracks, Ballykelly (Resident Bn) | ||
| May - Jun 82: Falklands | ||
| Jan - Jun 83: Northern Ireland: Bessbrook | ||
| 1983 | England: Norton Manor Camp, Taunton | |
| Jun - Dec 84: Cyprus: | UNFICYP tour | |
| 1986: Belize | ||
| Jan - Jun 88: Northern Ireland: Armagh | ||
| Apr 91: Iraq: Kurdistan | Op Haven | |
| 15 Jul 91: Iraq: Kurdistan (B Coy) | Op Warden | |
| 19 Aug 91: Iraq: Kurdistan (C Coy) | Op Warden | |
| 15 Sep- Oct 91: Iraq: Kurdistan (A Coy) | Op Warden | |
| Jan - May 93: Northern Ireland: Belfast Roulement Bn | ||
| Dec 93 - May 94: Northern Ireland: | ||
| 1995 - 1996: Northern Ireland: | ||
| 1998: Congo | ||
| Sept 01: Oman | 3 Commando Brigade | |
| Jan - Jul 02: Afghanistan: Kabul | ISAF | |
| Feb - Mar 03: Persian Gulf | 3 Commando Brigade | |
| Mar - ?? 03: Iraq | 3 Commando Brigade | |
| Jul 04 - Jan 05: Iraq | 1 Mech Brigade | |
| Oct 07 - Apr 08: Afghanistan: Op Herrick 7 | 52 Infantry Brigade | |
| Apr - Oct 10: Afghanistan: Op Herrick 12 | 4 Mechanised Brigade | |
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