SX2915 / Lieutenant Colonel Oscar Cedric 'Ike' Isaachsen, DSO

Date of birth1911-06-05 Mannum, SA 
Date commissioned  1933-09-20   
Interwar Service 2  1933-09-20  lieutenant 27th battalion 
Interwar Service 3  1939-04-14  captain 
Career summary 2  1940-05-01  seconded 2/27th battalion 
Career summary 3  1940-05-07  enlisted 2AIF 
Career summary 4  1940-06-17 - 1940-07-05  course Staff & Command School Sydney (Company Co 
Career summary 5  1940-11-24  arrived Middle East 
Career summary 6  1941-01-14  major 
Career summary 7  1941-10-04  gun shot wound lf leg 18 Jun 41 (returned to unit 
Career summary 9  1941-11-25  course Middle East Combined Training Centre 15 
Career summary 10  1942-03-25  Returned to Australia (4MD) 
Career summary 11  1942-08-11  temporary lieutenant colonel, commanding officer 51st battalion 
Appointment  1942-08-11 - 1942-09-02  Battalion: 51st; Rank on appointment: major, temporary lieutenant colonel ; Appointed from: 2/27th battalion ; Reason for end of appointment: new command -infantry battalion (battalion disbanded ??) 
Career summary 12  1942-08-14  arrived New Guinea 
Career summary 13  1942-09-01  lieutenant colonel 
Career summary 14  1942-09-02  commanding officer 36th battalion 
Appointment  1942-09-02 - 1945-08-28  Battalion: 36th; Rank on appointment: commanding officer 36th battalion ; Appointed from: commanding officer 51st battalion ; Reason for end of appointment: new command -infantry battalion (battalion disbanded ?) 
Career summary 17  1943-02-27 - 1943-03-18  evacuated Malaria benign tertian (a type of mala 
Career summary 15  1943-03-19  Returned to Australia (Mareeba) 
Career summary 18  1943-05-29  evacuated Malaria benign tertian (a type of malaria) 6 
Career summary 16  1943-07-07  arrived New Guinea 
Career summary 19  1944-04-26  attached Headquarters 6th Brigade 14 
Career summary 20  1944-07-20  Returned to Australia (Townsville ) 
Career summary 21  1944-07-21 - 1944-09-23  course Staff Cse (amphibious) 
Career summary 22  1944-09-24  arrived Moresby 
Career summary 23  1944-10-08  Arrived New Britain 
Career summary 24  1945-06-26  Returned to Australia (Bris) 
Career summary 25  1945-08-28  commanding officer 2/1st battalion 
Appointment  1945-08-28 - 1945-10-24  Battalion: 2/1st; Rank on appointment: lieutenant colonel; Appointed from: lieutenant colonel; Reason for end of appointment: demobilised 
Career summary 26  1945-10-24  relinquished command 2/1st battalion 
Career summary 27  1945-11-22  Reserve of Officers 
Career summary 28  1946-02-21  Companion of the Distinguished Service Order (South-west Pacific Area 1 Oct 44-31 Mar 45) 
Interwar Service 1    presumably OR service 
Career summary 8    30 Dec 41 MID 
Career summary 1    captain 27th battalion  

Occupation: Solicitor