It is a territorial infantry and engineer reserve unit of the British Armed Forces that was formed in 2020.

The regiment has an authorized strength level objective of 175 personnel, akin to that of a company-sized unit.

[1] On 12 October 2019, the government announced the formation of the Cayman Islands Regiment, a new British Armed Forces unit.

However, the regiment is to be assisted by the UK Ministry of Defence and Foreign and Commonwealth Office in the form of logistical advice, support and future operational training and equipment.

A team of experts from the United Kingdom Ministry of Defence and the Foreign and Commonwealth Office will deploy to the Cayman Islands before end of year for operational needs assessment, to begin the advisory and support roles and to determine a suitable location to base the regiment.

The Turks and Caicos Regiment also will be assisted by the UK Ministry of Defence and Foreign and Commonwealth Office.

Also during the summer of 2021 saw the regiment acquire logistical vehicular equipment by way of three HX-60 MANS Trucks, two Unimog ambulances, one Volvo front loader, and one Kratcher tactical field kitchen trailer.

[19] The following sets of Officer Cadets were sent directly to the 8 week course at Royal Military Academy Sandhurst.

'The Silver Thatch Palm' is Cayman's National Plant, and this is silhouetted against the blue of the Sea that surrounds the Islands.

[24] The uniforms, weapons, and equipment for the Cayman Islands Regiment will be provided by the United Kingdom Ministry of Defence.

The PCS-CU mostly consists of a windproof smock, a lightweight jacket, and trousers with a range of ancillaries such as thermals and waterproofs.

No.3 Warm Weather Dress, This is a white Tunic with dark blue Trousers with a yellow running stripe at the sides.