1st Signal Brigade is under the operational command of Headquarters Allied Rapid Reaction Corps. The Brigade provides Force Elements at readiness to the ARRC, Permanent Joint Headquarters (PJHQ), the Joint Helicopter Force and Other Government Departments.
22 Signal Regiment provides the information communications systems to enable Commander ARRC to exercise command over the Corps.
30 Signal Regiment is responsible for enabling PJHQ's deployable Joint Force Headquarters and supporting other High Readiness Formations such as the Very High Readiness Field Hospital, the Air Assault Task Force and Joint Helicopter Command. 299 Signal Squadron (Special Communications) provides specialist communications support worldwide.
The Brigade is supported by the Gurkha Allied Rapid Reaction Corps Support Batttalion.
22 Sig Regt
22 Signal Regiment is based at Beacon Barracks, Beaconside, Stafford.
ARRC Support Battalion
The battalion is based in Innsworth, Gloucester.
30th Signal Regiment
30th Signal Regiment based in Bramcote, Warwickshire
299 Signal Squadron (Special Communications)
299 Signal Squadron is based in Bletchley.