In our collection you will encounter military terminology and acronyms. Here you can find out what they mean:

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5 Innis DG

5th Royal Inniskilling Dragoon Guards

50th Inf Bn

50th Infantry Battalion [First World War AIF Infantry Unit]

51st Div

51st (Highland) Division (and subordinate units) [First World War British Headquarters Unit]

51st Inf Bn

51st Infantry Battalion [First World War AIF Infantry Unit]

52nd Inf Bn

52nd Infantry Battalion [First World War AIF Infantry Unit]

53rd Inf Bn

53rd Infantry Battalion [First World War AIF Infantry Unit]

54th Inf Bn

54th Infantry Battalion [First World War AIF Infantry Unit]

55th Inf Bn

55th Infantry Battalion [First World War AIF Infantry Unit]

56th Inf Bn

56th Infantry Battalion [First World War AIF Infantry Unit]

57th Div

57th (2nd West Lancashire) Division (and subordinate units) [First World War British Headquarters Unit]

57th Inf Bn

57th Infantry Battalion [First World War AIF Infantry Unit]

58th Inf Bn

58th Infantry Battalion [First World War AIF Infantry Unit]

59th Inf Bn

59th Infantry Battalion [First World War AIF Infantry Unit]

5th ADUS

5th Australian Depot Unit of Supply [First World War AIF Supplies and Transport AASC Unit]

5th ALH Bde

5th Australian Light Horse Brigade [First World War AIF Light Horse Unit]

5th ALH Fd Amb

5th Australian Light Horse Field Ambulance (formerly Australian Camel Field Ambulance) [First World War AIF Medical Unit]

5th ALH Regt

5th Australian Light Horse Regiment [First World War AIF Light Horse Unit]

5th Aust Amm S Pk

5th Australian Ammunition Sub-Park (including 713 Motor Transport Company) [First World War AIF Supplies and Transport AASC Unit]

5th Aust BG Rly Op Coy

5th Australian Broad Gauge Railway Operating Company (formerly 3rd Section, Australian Railway Troops, then 59th Company (Australian), Railway Operating Division RE, then 59th Australian Broad Gauge Railway Operating Company) [First World War AIF Railways

5th Aust Div Base Dep

5th Australian Division Base Depot [First World War AIF Bases and Depots Unit]

5th Aust Div Salv Coy

5th Australian Division Salvage Company [First World War AIF Salvage Unit]

5th Aust Div Sig Coy

5th Australian Division Signals Company [First World War AIF Signals Unit]

5th Aust Div Sup Col

5th Australian Divisional Supply Column (later 5th Australian Divisional Mechanical Transport Company) [First World War AIF Supplies and Transport AASC Unit]

5th Aust Div Train

5th Australian Divisional Train [First World War AIF Supplies and Transport AASC Unit]

5th Aust DTMO

5th Australian Divisional Trench Mortar Officer [First World War AIF Artillery Unit]

5th Aust Fd Amb

5th Australian Field Ambulance [First World War AIF Medical Unit]

5th Aust Fd Bchry

5th Australian Field Butchery [First World War AIF Supplies and Transport AASC Unit]

5th Aust LTM Bty

5th Australian Light Trench Mortar Battery [First World War AIF Infantry Unit]

5th Aust Mob Vet Sect

5th Australian Mobile Veterinary Section [First World War AIF Veterinary Unit]

5th Aust MT Coy

5th Australian (Divisional) Mechanical Transport Company [First World War AIF Supplies and Transport AASC Unit]

5th Aust MTM Bty

5th Australian Medium Trench Mortar Battery [First World War AIF Artillery Unit]

5th Aust Pnr Bn

5th Australian Pioneer Battalion [First World War AIF Engineers Unit]

5th Aust San Sect

5th Australian Sanitary Section (5th Aust San Sect)

5th Bty AFA

5th Battery, Australian Field Artillery [First World War AIF Artillery Unit]

5th DAC

5th Australian Divisional Ammunition Column [First World War AIF Artillery Unit]

5th Div Cyc Coy

5th Divisional Cyclist Company [First World War AIF Cyclists Unit]

5th Fd Coy AE

5th Field Company, Australian Engineers [First World War AIF Engineers Unit]

5th Inf Bde

5th Infantry Brigade [First World War AIF Infantry Unit]

5th Inf Bn

5th Infantry Battalion [First World War AIF Infantry Unit]

5th MG Bn

5th Australian Machine Gun Battalion [First World War AIF Machine Gun Unit]

5th MG Coy

5th Australian Machine Gun Company [First World War AIF Machine Gun Unit]

5th Mtd Bde Sig Tp

Signal Troop, 5th Mounted Brigade [First World War AIF Signals Unit]

5th Sig Tp

4th Signal Troop [First World War AIF Signals Unit]

5th Sig Tp

5th Signal Troop [First World War AIF Signals Unit]

5th Tng Bn

5th Training Battalion [First World War AIF Infantry Unit]

5th Tng Sqdn AFC

5th Training Squadron, Australian Flying Corps (formerly 29th Training Squadron) [First World War AIF Flying Corps Unit]

5th Tng Sqdn AFC

6th Training Squadron, Australian Flying Corps (formerly 30th Training Squadron) [First World War AIF Flying Corps Unit]