|Royal Fleet Auxiliary Service Medal|
|Type||Long service medal|
|Awarded for||20 years service|
|Country||the United Kingdom|
|Eligibility||Officers, petty officers, and rates of the Royal Fleet Auxiliary|
|Order of Wear|
|Next (higher)||Ambulance Service (Emergency Duties) Long Service and Good Conduct Medal |
|Next (lower)||Prison Services (Operational Duties) Long Service and Good Conduct Medal |
The Royal Fleet Auxiliary Service Medal is a long service medal presented to the officers, petty officers, and rates of the Royal Fleet Auxiliary (RFA) who complete 20 years of service. While the RFA services the fleet of the Royal Navy around the world, RFA crews are civilians and thus not eligible for Royal Navy long service awards and decorations. In 2001, a Royal Warrant was promulgated establishing the medal to recognize the long and efficient service the RFA personnel.  The first awards were presented in 2003 with some 400 RFA personnel eligible for award. 
The Royal Fleet Auxiliary Service Medal is a silver coloured circular medal made of cupro-nickel. The obverse bears the right facing portrait head of Queen Elizabeth II wearing the Imperial State Crown. Surrounding the portrait is the legend ELIZABETH.II.DEI .GRATIA.REGINA.FID.DEF. The reverse depicts the badge of the Royal Fleet Auxiliary: at its centre is a large fouled anchor supported on either side by the two Tritons each bearing a trident. Around the reverse edge is the legend ROYAL FLEET AUXILIARY and FOR LONG SERVICE separated by a small oak branch with three leaves and an acorn. Designed by Timothy Noad, his initials (TN) are located at the base of the anchor. 
The Royal Fleet Auxiliary (RFA) is a naval auxiliary fleet owned by the UK's Ministry of Defence. It provides vital logistical and operational support to the Royal Navy and Royal Marines. The RFA ensures the Royal Navy is supplied and supported by providing fuel and stores through replenishment at sea, transporting Royal Marines and British Army personnel, providing medical care and transporting equipment and essentials around the world. In addition the RFA acts independently providing humanitarian aid, counter piracy and counter narcotic patrols together with assisting the Royal Navy in preventing conflict and securing international trade. They are a uniformed civilian branch of the Royal Navy staffed by British merchant sailors.
The Distinguished Service Cross (DSC) is a third-level military decoration awarded to officers; and, since 1993, ratings and other ranks of the British Armed Forces, Royal Fleet Auxiliary and the British Merchant Navy have been included. Additionally, the award was formerly awarded to members of other Commonwealth countries.
The Distinguished Service Medal (DSM) was a military decoration awarded until 1993 to personnel of the Royal Navy and members of the other services, and formerly to personnel of other Commonwealth countries, up to and including the rank of Chief Petty Officer, for bravery and resourcefulness on active service at sea.
The Air Force Medal (AFM) was a military decoration, awarded to personnel of the Royal Air Force and other British Armed Forces, and formerly to personnel of other Commonwealth countries, below commissioned rank, for "an act or acts of valour, courage or devotion to duty whilst flying, though not in active operations against the enemy". The award was discontinued in 1993 when all ranks became eligible for the Air Force Cross (AFC) as part of the reform of the British honours system.
Her Majesty's Naval Service, also known as the Senior Service, is the United Kingdom's naval warfare and maritime service. It consists of the Royal Navy, Royal Marines, Royal Fleet Auxiliary, Royal Naval Reserve, Royal Marines Reserve and Naval Careers Service. The term Naval Service should be distinguished from the "UK Naval Services", which consist of the Naval Service and the Merchant Navy. The Naval Service as a whole falls under the command of the Navy Board, which is headed by the First Sea Lord. This position is currently held by Admiral Sir Ben Key. The Defence Council delegates administration of the Naval Service to the Admiralty Board, chaired by the Secretary of State for Defence.
The General Service Medal, is a campaign medal of the United Kingdom introduced in 1962 to replace both the General Service Medal (1918), as awarded to the Army and RAF, and the Naval General Service Medal (1915). The 1962 GSM was awarded until 2007, when it was replaced by the Operational Service Medal. In 2015 the General Service Medal (2008) was introduced.
The Air Efficiency Award, post-nominal letters AE for officers, was instituted in 1942. It could be awarded after ten years of meritorious service to officers, airmen and airwomen in the Auxiliary and Volunteer Air Forces of the United Kingdom and the Territorial Air Forces and Air Force Reserves of the Dominions, the Indian Empire, Burma, the Colonies and Protectorates.
The Decoration for Officers of the Royal Naval Volunteer Reserve, post-nominal letters VD until c. 1947 and VRD thereafter, was instituted in 1908. It could be awarded to part-time commissioned officers in the United Kingdom's Royal Naval Volunteer Reserve after twenty years of service as efficient and thoroughly capable officers. The decoration was a Naval version of the Volunteer Officers' Decoration and its successor, the Territorial Decoration.
The Efficiency Medal was instituted in 1930 for award to part-time warrant officers, non-commissioned officers and men after twelve years of efficient service on the active list of the Militia or the Territorial Army of the United Kingdom, or of the other Auxiliary Military Forces throughout the British Empire. At the same time a clasp was instituted for award to holders of the medal upon completion of further periods of six years of efficient service.
The Meritorious Service Medal (MSM) is a British medal awarded to sergeants and warrant officers of the British armed forces for long and meritorious service. From 1916 to 1928, eligibility was extended to cover both valuable services by selected other ranks irrespective of length of service, and for gallantry not in the face of the enemy.
The Efficiency Decoration, post-nominal letters TD for recipients serving in the Territorial Army of the United Kingdom or ED for those serving in the Auxiliary Military Forces, was instituted in 1930 for award to part-time officers after twenty years of service as an efficient and thoroughly capable officer. The decoration superseded the Volunteer Officers' Decoration, the Colonial Auxiliary Forces Officers' Decoration and the Territorial Decoration.
The Elizabeth Cross is a form of recognition given to the recognised next of kin of members of the British Armed Forces killed in action or as a result of a terrorist attack after the Second World War. It bears the name of the current British monarch, Queen Elizabeth II.
The Efficiency Medal was instituted in 1930 for award to part-time warrant officers, non-commissioned officers and men after twelve years of efficient service on the active list of the Citizen Force of the Union of South Africa. At the same time, a clasp was instituted for award to holders of the medal upon completion of further periods of six years of efficient service. The medal superseded the Colonial Auxiliary Forces Long Service Medal.
The Long Service and Good Conduct Medal is a military award recognizing 15 years of exemplary and unblemished service by non-commissioned and other ranks members of the New Zealand Defence Force. Established in 1985, these medals replaced the British Long Service and Good Conduct Medals with specific versions for New Zealand. There are three version of the Long Service and Good Conduct Medal, one each for the New Zealand Army, Royal New Zealand Navy, and the Royal New Zealand Air Force.
The Colonial Auxiliary Forces Officers' Decoration, post-nominal letters VD, was established in 1899 as recognition for long and meritorious service as a part-time commissioned officer in any of the organized military forces of the British Colonies, Dependencies and Protectorates. It superseded the Volunteer Officers' Decoration for India and the Colonies in all these territories, but not in the Indian Empire.
The Royal Naval Volunteer Reserve Long Service and Good Conduct Medal, initially designated the Royal Naval Volunteer Reserve Long Service Medal, was instituted in 1908. It could be awarded to part-time ratings in the United Kingdom's Royal Naval Volunteer Reserve after twelve years of service and good conduct. The medal was a Naval version of the Volunteer Long Service Medal and its successor, the Territorial Force Efficiency Medal.
The Naval Long Service and Good Conduct Medal (1830) of the United Kingdom was introduced in 1830 and ratified by King William IV in 1831. It could only be awarded to selected Navy ratings after altogether 21 years of service and good conduct. The medal remained in use until 1847, when it was replaced by the Naval Long Service and Good Conduct Medal (1848).
The Naval Long Service and Good Conduct Medal (1848) is a long service medal awarded to regular members of Her Majesty's Naval Service. It was instituted by Queen Victoria to replace the Naval Long Service and Good Conduct Medal (1830), and could be awarded to other ranks and men serving in the Royal Navy and Royal Marines. Since 2016, after a number of changes in eligibility, all regular members of the Royal Navy and Royal Marines who have completed fifteen years of reckonable service can be awarded the medal.
The Royal Air Force Long Service and Good Conduct Medal is a medal awarded to regular members of the Royal Air Force in recognition of long service. It was instituted by King George V in 1919, the year following the establishment of the world's first independent air force. At first, the medal was awarded to Regular Force non-commissioned officers and airmen of the Royal Air Force. The award criteria were later relaxed to also allow the award of the medal to officers who had served a minimum period in the ranks before being commissioned. Since 2016, it is awarded to all regular members of the RAF, including officers who had never served in the ranks.
The Colonial Auxiliary Forces Long Service Medal was instituted by Queen Victoria in 1899 as a military long service award for part-time members of all ranks in any of the organized military forces of the British Colonies, Dependencies and Protectorates throughout the British Empire. The medal gradually superseded the Volunteer Long Service Medal for India and the Colonies in all these territories, with the exception of the Isle of Man, Bermuda and the Indian Empire.