Commemorated at Memorial Name Armidale Teachers' College Second World War Roll of Honour Given name Clarence Frederick Family name Sinclair Gender Male Service number N276054 (NX104843) Conflicts Second World War, 1939–45 Additional information Last held rank Sergeant Unit at embarkation 53 Aust AA Regt (AIF) Service Australian Army Do you know more about this war Veteran? Click here to learn how you can contribute