Commemorated at Memorial Name Wagga Wagga Honour Roll and Eternal Flame Memorial Given name MP Family name O'Brien Gender Male Service number NX36216 Conflicts Second World War, 1939–45 Additional information Address given on enlistment documents Last held rank Corporal Unit at embarkation 2nd Pioneer Battalion Service Australian Army - Second Australian Imperial Force (2nd AIF) Do you know more about this war Veteran? Click here to learn how you can contribute