The 18th (UK Special Forces) Signals Regiment was created in 2005, along with the Special Forces Support Group and Special Reconniassance Regiment. These changes relfected an expansion and re-oganasation to cope with the twin demands of the wars in Iraq and Afghinstan, together with ongoing operations against terrorism. The 18th (UKSF) Signals Regiment fulfills several roles: (1) providing highly secure communications for UKSF operations (2) providing electronic warfare and signals intelligence for special forces operations (3) intercepting and monitoring enemy communications at short range in difficult circumstances for strategic purposes.
The Regiment is in fact an umbrella organisation for other UKSF signals units, some of which have a long history:
264 (SAS) Signals Squadron - usually attached to 22 SAS
SBS Signals Squadron - usually attached to the Special Boat Service
63 (SAS) Signal Squadron - a reserve unit attached to 21 and 23 SAS
267 (SRR) Signals Squadron - usually attached to the Special Reconnaissance Regiment (SRR)
268 (SFSG) Signals Squadron - usually attached to the SFSG