21st Signal Regiment (Electronic Warfare)

21 Signal Regiment (Electronic Warfare)
21 Signal Regiment’s emblem is the Red Beaufighter
Active5 March 1943 – 1954 (as 12th (Air Formations) Signals)

1954 – 1958 (as 83 Group (12) Air Formation Signal Regiment)
1958 – 1959 (as 12th Air Formation Signal Regiment)
1959 – 1971 (as 21st Signal Regiment (Air Formation))
1971 – 2014 (as 21 Signal Regiment
2014 – 2022 (as 21 Signal Regiment)

2022 – current (as 21 Signal Regiment (Electronic Warfare))
Country United Kingdom
Branch British Army
TypeMilitary Communications
RoleElectronic Warfare and Signals Intelligence (EWSI)
SizeRegiment
340 personnel (2020)
Part ofCyber and Electro Magnetic Activities Effects Group
Garrison/HQAzimghur Barracks, Colerne, Wiltshire – to move to Imjin Barracks, Innsworth NB 2028
Insignia
Cap Badge
Tactical Recognition Flash

21 Signal Regiment (Electronic Warfare) is an electronic warfare and signals intelligence regiment of the Royal Corps of Signals within the British Army. The regiment was, until the initial Army 2020 reforms, the only signal regiment to support the Royal Air Force.