Royal Air Force Marine Branch
| RAF Marine Branch | |
|---|---|
|
|
| Active | 1918 - 8 January 1986 |
| Country |
 United Kingdom
|
| Branch |
Royal Air Force
|
| Motto(s) | The Sea Shall Not Have Them |
| Disbanded | Yes |
The Marine Branch (1918-1986) was a branch of the Royal Air Force (RAF) which operated watercraft in support of RAF operations. Just days after the creation of the RAF itself, the Marine Craft Section (MCS) was created with the transfer of Royal Navy Air Service (RNAS) vessels and personnel to the new service. Originally tasked with the support of RNAS, and later RAF, seaplanes, Marine Craft Section was to achieve its greatest size during the Second World War, and achieved fame for its role in air-sea rescue operations. After the war MCS was granted full branch status on 11 December 1947, however post war the role of the new branch became greatly reduced with the end of the British Empire, the withdrawal of flying boats from service, and the increasing use of helicopters in air-sea rescue. The branch was disestablished on 8 January 1986.
In 1918 the RAF was established through the merging of the aviation arms of the Royal Navy, the Royal Navy Air Service (RNAS), and that of the Army, the Royal Flying Corps. During the First World War the RNAS had structured its force to protect Britain from both surface sea and air attack. Against surface attack the RNAS had built up a force of seaplanes and in support of these had accumulated between 300 and 500 vessels of various kind including pinnaces, lighters, launches, motorboats, depot ships and other vessels. These were used as primarily as seaplane tenders. The term seaplane tender in British usage being used for small watercraft of launch to pinnace size used as tenders, what in United States usage would be called a seaplane tender the British would call a seaplane depot ship.
These craft were used to ferry crews, stores and supplies between shore and the aircraft, to maintain the buoys used to mark out "taxiways" and "runways" and to keep these clear of debris to prevent foreign object damage, and in the case of emergency to act as rescue craft and airport crash tenders. All those functions that on land would require wheeled ground support equipment had a need for a watercraft equivalent. Other vessels were equipped as high speed target tugs, pickets and for range safety. On the creation of the RAF, along with the seaplanes they served, these RNAS vessels and their crews would become the RAF's Marine Craft Section (MCS), However, the Navy was from the start opposed to and did its best to prevent the creation of the new service, of the vessels that were now theoretically part of the RAF some could not be found; others were carried aboard Royal Navy vessels that were not part of the RNAS transfer, and to which the RAF had no option but to acede to their transfer back to the Navy. The MCS officers tasked with carrying out an inventory of the new service's assets concluded that achieving the transfer of 323 vessels was possible. However, of those boats handed over, because of their war service, some 50℅ were unserviceable, with some in such a poor state of repair so as to be totally unseaworthy.
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