102 Logistic Brigade 2 Signal Regiment 39 Engineer Regiment 33 Field Hospital 34 Field Hospital 202 Field Hospital (Volunteer) 4 General Support Medical Regiment 3 Battalion Royal Electrical and Mechanical Engineers 6 Supply Regiment Royal Logistic Corps 7 Transport Regiment Royal Logistic Corps 10 Transport Regiment Royal Logistic Corps (attached from 101 Logistic Brigade) 17 Port and Maritime Regiment Royal Logistic Corps 23 Pioneer Regiment Royal Logistic Corps 168 Pioneer Regiment Royal Logistics Corps (101 Squadron) 24 Regiment Royal Logistic Corps 5 Regiment Royal Military Police Elements of 11 Explosive Ordnance Disposal Regiment Joint Helicopter Force Headquarters 3 Regiment Army Air Corps Elements of 21 Signal Regiment (AS) Elements of No. 662 Squadron - Lynx AH7s and Gazelle AH1s Elements of No. 663 Squadron - Lynx AH7s and Gazelle AH1s Elements of No. 653 Squadron - Lynx AH9s HMS Ark Royal 4 Sea King AsaC7s of Flight A 849 Naval Air Squadron 5 Chinook HC2s of No. 18 Squadron RAF HMS Ocean 10 Sea King HC4s of 845 Naval Air Squadron 6 Gazelle AH1 of 847 Naval Air Squadron 6 Lynx AH7 of 847 Naval Air Squadron Chinook Wing No. 7 Squadron RAF No. 18 Squadron RAF No. 27 Squadron RAF Puma Detachment No. 33 Squadron RAF Merlin detachment (1419 flt) No. 28 Squadron RAF Notes When a battalion is referred to as a battlegroup, it is not purely made up of units from the parent unit, but is an integrated team, combining armoured units with tanks, and mechanised infantry with infantry fighting vehicles. Also, whilst 16 Air Assault Brigade is apparently the only fighting brigade listed with its own organic helicopter support in this order of battle, 3 Commando Brigade had the helicopters on board Ocean and Ark Royal to call upon, and 7 Armoured Brigade wasn't really air mobile as a formation. There were also the RAF Pumas and Chinooks mentioned above for transport purposes. Special Forces elements of the British Army (Special Air Service) and Royal Marines (Special Boat Service) were also deployed but as the British government policy is not to comment on special forces activity, the exact details or elements deployed are officially unconfirmed. The contribution of reservists to the deployment (some 9,500 of the 46,000 personnel involved in the warfighting phase and its immediate aftermath, the vast majority from the Territorial Army, and in significant number in the subsequent roulements) is understated by the