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During the Second World War the Allies realised the need for the landing zone of an amphibious assault to be organised for the efficient passage of follow on forces. The British formed such units from all three services - the Royal Navy (Commandos), British Army and the Royal Air Force, with the Army component comprising Infantry, Engineers, Ordnance, Royal Electrical and Mechanical Engineers, Medical and Service Corps. The equivalent U.S. units were called Beach Battalions. ==Formation== After the Operation Torch landings the need for a beach organisation became apparent for the larger planned operations. In the UK Beach Groups were formed and began to train in Scotland. In the Mediterranean the equivalent organisations were called Beach Bricks and were formed in Egypt and trained at Kabrit. The Chief of Combined Operations Lord Louis Mountbatten described the functions of a beach group in late 1942:-〔Rogers p. 14〕 *Arrange and control the movement of all personnel and vehicles from the landing craft to inland assembly areas. *Move stores from ships' holds and craft to dumps in the beach maintenance areas. *Develop and organise the beaches and beach maintenance area in regard to defence, movement and administration, including the evacuation of all casualties and recovery of vehicles. *Provide the beach signal organisation. *The removal to the UK of casualties, prisoners of war and salvaged equipment. *The creation of dumps to hold petrol ammunition and rations that were being landed. *Assembly areas for the arriving personnel and their vehicles. For this a tri-service formation was created around an infantry battalion, added to this were smaller units from the Royal Engineers, Royal Army Medical Corps, Royal Electrical and Mechanical Engineers, Royal Army Ordnance Corps, Pioneer corps, Royal Army Service Corps and the Corps of Military Police. The Navy provided royal Navy Beach Commandos and a signal unit, and the Royal Air Force provided for beach anti-aircraft defence. The complement of a Beach group or brick was up to 3000 men.〔Rogers p. 19〕 The beach commandos were composed of 76 officers and men, led by the one Principal Beach Master and three Beach Masters, who would land with the assaulting troops and have the following duties:-〔Rogers pp. 31-33〕 *Marking the limits of the beachhead *Set up a protected area for the beach commander to operate from *Calling in landing craft to the beach via radio, signal lamp or loud-hailer. *Unloading landing craft according to priority. *Providing salvage parties to recover damaged landing craft, stores and equipment. *Providing fire fighting parties, using modified DUKWs *Ensuring personnel and equipment could move through the beachhead as quickly as possible *Mooring landing craft correctly Each commando was to control the landing area for a brigade, they were subdivided into a headquarters and three sub units each controlling a battalion landing area. They wore army battledress with navy headgear. Nine beach commandos were formed for Operation Overlord, designated F, J, L, P, Q, R, S, T and W, W was composed of Canadians.〔 The Royal Navy Beach Signals units were to provide communications between the beach and the offshore forces. Included in the units were men from the army and R.A.F. The infantry component was intended to be a fighting force if any pockets of resistance remained on the beach immediately after the landings.〔Rogers p. 20〕 After the beach was secured the battalion was to provide manpower for any other tasks, for example 6th Battalion Border Regiment was split up as follows,〔Rogers p. 167〕 *A and D Companies - beach companies *B Company - a labour unit of the ammunition section of the beach ordnance detachment *C Company - reserve *S Company - (the carrier, mortar and anti-tank platoons), to provide labour for the petrol depot. As well as the treatment and dispatch of casualties back to Britain, the Medical Corps was also tasked with the provision of drinking water for the troops.〔Rogers p. 134〕 The Military Police (MPs) were to be used to control the flow of traffic on the beach and to guard and document the prisoners of war collected in the initial stages and brought back to the beach. These units also included R.A.F. MPs.〔Rogers p. 131〕 The pioneer companies were called on to perform many duties, construction of roads air-fields and stores, mine clearance, collection and evacuation of wounded, collection and burial of the dead, transport, guarding POWs and where necessary fight.〔Forty p. 137〕〔Rogers pp. 67-68〕 The RASC was responsible for the transport and distribution of the supplies needed by the troops. The REME was tasked with keeping the beaches clear of disabled vehicles, including removal of stranded landing craft. Repairable vehicles were repaired in place or at a vehicle park. They used normal and specialised recovery vehicles for the task such as the BARV.〔Rogers pp. 58-59〕 The precise mix and number of units depended of the perceived need of each location. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Beach groups」の詳細全文を読む スポンサード リンク
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