|Unit or location||Role||Posted from||until|
|The Transport Office||Motor Transport Officer||1940||1941|
|Devon||Intelligence Officer||08 Nov 1943||03 Dec 1944|
|Suffolk||Intelligence Officer||12 Dec 1940||02 Apr 1941|
|Essex||Intelligence Officer||12 Dec 1940||31 Dec 1940|
|South Wales||Intelligence Officer||27 Sep 1944||03 Dec 1944|
|Ashburton, Devon||Intelligence Officer||08 Nov 1943||03 Dec 1944|
|Monmouthshire||Intelligence Officer||27 Sep 1944||03 Dec 1944|
|Herefordshire||Intelligence Officer||27 Sep 1944||03 Dec 1944|
|Worcestershire||Intelligence Officer||27 Sep 1944||03 Dec 1944|
|Cornwall||Intelligence Officer||27 Sep 1944||03 Dec 1944|
|Somerset||Intelligence Officer||27 Sep 1944||03 Dec 1944|
Sherborne School 1913-17
28 Sep 1917 Entered Royal Military Academy, Sandhurst.
19 Aug 1918 Completed Royal Military Academy course.
11 Sep 1918 Commissioned into the Dorset Regiment.
13 May 1919 Part of the North Russian Relief Force. Volunteers from the Dorset Regiment were formed into ‘Y’ Company 2nd Battallion Hampshire Regiment and served at Kurgomen in block houses.
21 Feb 1920 Promoted Lieutenant
25 Feb 1922 Relinquished rank [joining the Regular Army Reserve of Officers (Class II)].
Unknown date of re-enlistment.
Sept – Nov 1940 Infantry Training Centre Dorset Regiment as Lieutenant.
Unknown promoted to Captain.
12 Dec 1940 Appointed Intelligence Officer in East Anglia having taken over from Captain Croft.
Mar 1941 Appointed Motor Transport Officer at GHQ Coleshill.
1940 - 1943 Unarmed combat instructor at GHQ Coleshill (page 79 of ‘Last Ditch’).
12 Jun 1942 Promoted War Substantive Captain and Temporary Major.
8 Nov 1943 Appointed Intelligence Officer for Devon.
Apr 1944 Relinquished rank of Temporary Major.
14 Oct 1944 until stand down appointed Intelligence Officer number area 4 (Devon to Wales)
22 Apr 1949 Relinquished his commission due to age and is given the Honorary Rank of Major.
5 Apr 1929 He married Janet L Bond in Hampstead, Middlesex and they had Elizabeth P B in 1930 in Stafford and Janet G in 1933 in Uckfield Sussex.
In 1939 he is the Headmaster at the Aldwick Grange Preparatory School, near Crowborough, Uckfield, Sussex.
On 1 Oct 1943 the Western Moring News is running a wanted advert for accommodation in Devon for Major Harston and his family moving from Highworth from November onwards.