12th Royal Lancers
| Dates | Locations | Higher Formation/Remarks |
| . | . | . |
| . | 12th Royal Lancers (Prince of Wales's) | . |
| . | . | . |
| 1945 | Austria/Italy | . |
| 1946.08 | Palestine | . |
| 1947.04 | England: Barford Camp, Barnard Castle | RAC Training Regiment |
| 1951.09 | Malaya | Armoured car regiment |
| 1954.08 | UK | . |
| 1955.01 | Germany: Harewood Barracks, Herford | 6 Armoured Division |
| 1956.03 | Germany: Northampton Barracks, Wolfenbuttel | 6 Armoured Division |
| 1959.03 | England: Bhurtpore Barracks, Tidworth | 3 Division |
| . | May 59 - 1960: Cyprus: Camp Elizabeth, Nicosia: C Sqn at Camp Karaolos near Famagusta | . |
| . | 11 Sep 60: Amalgamated with 9th Queen's Royal Lancers to form 9th/12th Royal Lancers (Prince of Wales's) | . |
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