Lieutenant Colonel Oscar Cedric Isaachsen

Service number	SX2915
Ranks Held	Lieutenant Colonel, Major
Birth Date	05/06/1911
Birth Place	Australia: South Australia, Mannum
Final Rank	Lieutenant Colonel
Service	Australian Army
Units	2/27th Australian Infantry Battalion 36th Australian Infantry Battalion
Place	Mannum
Conflict/Operation	Second World War, 1939-1945

Collection items

Rolls

Honours and Awards:

Unit

2/27th Australian Infantry Battalion

Conflict

Second World War, 1939-1945

Rank

Major
Honours and Awards:

Unit

36th Australian Infantry Battalion

Conflict

Second World War, 1939-1945

Rank

Lieutenant Colonel
Honours and Awards (Recommendation):

Conflict

Second World War, 1939-1945
Honours and Awards (Recommendation):

Conflict

Second World War, 1939-1945

Timeline

Career summary 1		captain 27th battalion
Career summary 8		30 Dec 41 MID
Interwar Service 1		presumably OR service
Date of birth	05/06/1911	Mannum SA
Interwar Service 2	20/09/1933	lieutenant 27th battalion
Date commissioned	20/09/1933
Interwar Service 3	14/04/1939	captain
Career summary 3	07/05/1940	enlisted 2AIF
Career summary 4	1940-06-17 - 1940-07-05	course Staff & Command School Sydney (Company Co
Career summary 5	24/11/1940	arrived Middle East
Career summary 2	01/05/1940	seconded 2/27th battalion
Career summary 6	14/01/1941	major
Career summary 7	04/10/1941	gun shot wound lf leg 18 Jun 41 (returned to unit
Career summary 9	25/11/1941	course Middle East Combined Training Centre 15
Career summary 11	11/08/1942	temporary lieutenant colonel, commanding officer 51st battalion
Career summary 10	25/03/1942	Returned to Australia (4MD)
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 14	02/09/1942	commanding officer 36th 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 13	01/09/1942	lieutenant colonel
Career summary 12	14/08/1942	arrived New Guinea
Career summary 17	1943-02-27 - 1943-03-18	evacuated Malaria benign tertian (a type of mala
Career summary 15	19/03/1943	Returned to Australia (Mareeba)
Career summary 16	07/07/1943	arrived New Guinea
Career summary 18	29/05/1943	evacuated Malaria benign tertian (a type of malaria) 6
Career summary 22	24/09/1944	arrived Moresby
Career summary 20	20/07/1944	Returned to Australia (Townsville )
Career summary 19	26/04/1944	attached Headquarters 6th Brigade 14
Career summary 21	1944-07-21 - 1944-09-23	course Staff Cse (amphibious)
Career summary 23	08/10/1944	Arrived New Britain
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 25	28/08/1945	commanding officer 2/1st battalion
Career summary 26	24/10/1945	relinquished command 2/1st battalion
Career summary 27	22/11/1945	Reserve of Officers
Career summary 24	26/06/1945	Returned to Australia (Bris)
Career summary 28	21/02/1946	Companion of the Distinguished Service Order (South-west Pacific Area 1 Oct 44-31 Mar 45)