18 Regiment
| Dates | Locations & Titles | Minor Units - Remarks |
| . | . | . |
| . | GHQ ALFSEA | . |
| 1945 | South-East Asia | . |
| 1945.09 | Singapore: Calcutta Camp - later Princess Mary Barracks | . |
| . | 1947: Renamed GHQ Far East Land Forces Signal Regiment | . |
| . | 1958: Renamed Royal Signals Singapore Administrative Regiment | . |
| . | 1959: Renamed 18th Signal Regiment | . |
| . | 1971 Disbanded | . |
| . | . | . |
| . | 18th (UKSF) Signal Regiment | . |
| 2005 | England: Formed at Stirling Lines, Hereford with 264 (SAS), 267 (SRR), 268 (SFSG) & 63 (SAS) Sig Sqns | . |
| . | . | . |
| . | . | . |
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