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Abbreviation
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Definition 1
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Definition 2 (if applicable)
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R
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Range Taker
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Prefix for Remount Section ASC numbers, Royal, Reserve
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RA
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Royal Artillery
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Rear Admiral (RN)
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RAA
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Royal Australian Artillery
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RAAF
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Royal Australian Air Force
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RAAMC
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Royal Australian Army Medical Corps
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RAC
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Royal Armoured Corps
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Royal Automobile Club
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RACD
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Royal Army Chaplains Department
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RADC
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Royal Army Dental Corps
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RAE
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Royal Aircraft Establishment (Farnborough)
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RAEC
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Royal Army Education Corps
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RAF
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Royal Air Force
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RAFO
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Reserve of Air Force Officers
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RAFVR
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Royal Air Force Volunteer Reserve
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RauxAF
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Royal Auxiliary Air Force
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RAMC
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Royal Army Medical Corps
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RAN
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Royal Australian Navy
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RANBT
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Royal Australian Naval Bridging Team
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RAND RFLS
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Rand Rifles (South African)
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RAP
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Regimental Aid Post
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RAPC
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Royal Army Pay Corps
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RASC
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Royal Army Service Corps
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RB
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Rifle Brigade
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R BERKS R
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Royal Berkshire Regiment
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RCAF
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Royal Canadian Air Force
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RCD
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Royal Canadian Dragoons
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RCGA
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Royal Canadian Garrison Artillery
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RCHA
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Royal Canadian Horse Artillery
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RCM
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Regimental Court Martial
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RCN
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Royal Canadian Navy
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RCNC
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Royal Corps of Naval Constructors (RN)
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RDC
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Royal Defence Corps
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R DEVON YEO
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Royal Devon Yeomanry
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RDF
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Royal Dublin Fusiliers
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Radio Direction Finding (original cover name for radar)
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RD FUS
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Royal Dublin Fusiliers
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R DUB FUS
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Royal Dublin Fusiliers
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RE
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Royal Engineers
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RE KENT YEO
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Royal East Kent Yeomanry
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REGT
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Regiment
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REME
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Royal Electrical and Mechanical Engineers
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RF
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Royal Fusiliers
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R&F
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Rank and File
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RFA
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Royal Field Artillery
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Royal Fleet Auxiliary
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RFC
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Royal Flying Corps (Army – forerunner of RAF)
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RFLS FF
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Rifles Frontier Force (Indian)
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RFN
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Rifleman
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RFR
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Royal Fleet Reserve
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RFTS
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Reinforcements
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R FUS
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Royal Fusiliers
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RGA
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Royal Garrison Artillery
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R GUERNSEY LI
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Royal Guernsey Light Infantry
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RHA
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Royal Horse Artillery
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RHG
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Royal Horse Guards
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RH GDS
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Royal Horse Guards
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R HIGHRS
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Royal Highlanders (Black Watch)
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RHR
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Royal Highland Regiment (Black Watch)
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RHU
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Reinforcement Holding Unit
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RIAF
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Royal Indian Air Force
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RIF BRIG
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Rifle Brigade
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RIM
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Royal Indian Marine
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RIN
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Royal Indian Navy
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R INNIS FUS
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Royal Inniskilling Fusiliers
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R IR FUS
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Royal Irish Fusiliers
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R IR REG
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Royal Irish Regiment
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R IR RIF
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Royal Irish Rifles
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R LANC R
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Royal Lancaster Regiment
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RLI
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Rand Light Infantry (South African)
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RLY REG
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Railway Regiment (Indian)
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RLY S & M
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Railway Sappers and Miners (Indian)
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RM
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Royal Marines
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RMA
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Royal Military Academy
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Royal Marine Artillery, Royal Military Asylum
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RMAS
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Royal Military Academy Sandhurst
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RMB
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Royal Marine Band
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RM BRIG
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Royal Marine Brigade
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RMC
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Royal Military College
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RME
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Royal Marine Engineers
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RMF
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Royal Munster Fusiliers
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RMLC
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Royal Marine Labour Corps
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RMLI
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Royal Marine Light Infantry
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RMO
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Regimental Medical Officer
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Reserve of Medical Officers (RN)
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RMR
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Royal Marines Reserve
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RMSM
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Royal Military School of Music
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R MUNS FUS
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Royal Munster Fusiliers
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RN
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Royal Navy
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Royal Naval
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RNA
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Royal Naval Academy
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RNACD
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Royal Naval Armoured Car Division
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RNAS
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Royal Naval Air Service
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Royal Naval Air Station
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RNAWR
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Royal Naval Auxiliary Wireless Reserve
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RNC
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Royal Naval College
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RNCVR
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Royal Naval Canadian Volunteer Reserve
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RND
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Royal Naval Division
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R N DEVON YEO
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Royal North Devon Yeomanry
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RNEC
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Royal Naval Engineering College
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RNH
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Royal Naval Hospital
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RNPS
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Royal Naval Patrol Service
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RNR(T)
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Royal Naval Reserve Trawler Section
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RNTS
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Royal Naval Transport Service
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RNVR
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Royal Naval Volunteer Reserve
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RNV(S)R
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Royal Naval Volunteer Supplementary Reserve
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RNV(W)R
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Royal Naval Volunteer Wireless Reserve
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RNXS
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Royal Naval Auxiliary Service
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RNZA
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Royal New Zealand Artillery
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RNZAF
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Royal New Zealand Air Force
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RNZNC
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Royal New Zealand Nursing Corps
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ROC
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Royal Observer Corps
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RQMS
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Regimental Quartermaster Sergeant
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RRC
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Royal Red Cross
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RR OF CAV
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Reserve Regiment of Cavalry
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R SCOTS
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Royal Scots
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R SC FUS
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Royal Scots Fusiliers
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RSF
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Royal Scots Fusiliers
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RSG
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Royal Scots Greys
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R SIGNALS
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Royal Signals
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RSM
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Regimental Sergeant Major
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RSR
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Raiding Support Regiment
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WW2 sister regiment to SAS, disbanded 1945
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R SUSS R
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Royal Sussex Regiment
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R/T
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Radio Telephony (RAF)
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RTO
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Railway Transport Officer
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RW
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Royal Warrant
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R WAR R
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Royal Warwickshire Regiment
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RWF
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Royal Welch Fusiliers
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RW FUS
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Royal Welch Fusiliers
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RW KENT R
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Royal West Kent Regiment
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RY BN S & M
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Railway Battalion Sappers and Miners (Indian)
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RYS
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Royal Yacht Squadron
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