Lieutenant Colonel Oscar Cedric Isaachsen

Service number SX2915
Ranks Held Lieutenant Colonel, Major
Birth Date 05 June 1911
Birth Place Australia: South Australia, Mannum
Final Rank Lieutenant Colonel
Service Australian Army
Units
Place Mannum
Conflict/Operation Second World War, 1939-1945
Gazettes Published in London Gazette in 1946-02-14
Published in London Gazette in 1941-12-30
Published in Commonwealth Gazette in 1946-02-21

Rolls

Timeline

Date of birth 05 June 1911 Mannum SA
Date commissioned 20 September 1933
Interwar Service 2 20 September 1933 lieutenant 27th battalion
Interwar Service 3 14 April 1939 captain
Career summary 2 01 May 1940 seconded 2/27th battalion
Career summary 3 07 May 1940 enlisted 2AIF
Career summary 4 1940-06-17 - 1940-07-05 course Staff & Command School Sydney (Company Co
Career summary 5 24 November 1940 arrived Middle East
Career summary 6 14 January 1941 major
Career summary 7 04 October 1941 gun shot wound lf leg 18 Jun 41 (returned to unit
Career summary 9 25 November 1941 course Middle East Combined Training Centre 15
Career summary 10 25 March 1942 Returned to Australia (4MD)
Career summary 11 11 August 1942 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 14 August 1942 arrived New Guinea
Career summary 13 01 September 1942 lieutenant colonel
Career summary 14 02 September 1942 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 19 March 1943 Returned to Australia (Mareeba)
Career summary 18 29 May 1943 evacuated Malaria benign tertian (a type of malaria) 6
Career summary 16 07 July 1943 arrived New Guinea
Career summary 19 26 April 1944 attached Headquarters 6th Brigade 14
Career summary 20 20 July 1944 Returned to Australia (Townsville )
Career summary 21 1944-07-21 - 1944-09-23 course Staff Cse (amphibious)
Career summary 22 24 September 1944 arrived Moresby
Career summary 23 08 October 1944 Arrived New Britain
Career summary 24 26 June 1945 Returned to Australia (Bris)
Career summary 25 28 August 1945 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 24 October 1945 relinquished command 2/1st battalion
Career summary 27 22 November 1945 Reserve of Officers
Career summary 28 21 February 1946 Companion of the Distinguished Service Order (South-west Pacific Area 1 Oct 44-31 Mar 45)
Career summary 1 captain 27th battalion
Career summary 8 30 Dec 41 MID
Interwar Service 1 presumably OR service