A very interesting post Jeff. I might be able to help a little with the earlier stuff.
This memo clarifies the name change from PsyWar to PSYOPs and refers to the drafting of the 'The Staff Officers' Guide to Psychological Operations
'. The Guide had been in preparation since at least 1959 as the memo shows:
Various staff members of PWE and SOE following the war joined the Foreign Office's Information Research Department (IRD). On the military side in 1952 a single staff officer was instructed to form an 'Interdepartmental Working Party on Psychological Warfare'. The officer was subsumed by the Directorate of Forward Plans (DFP) in 1956.
DFP was a continuation of the wartime London Coordinating Section, mostly concerned with deception. PsyWar was later added to its remit hence the Interdepartmental Working Party becoming responsible to DFP in 1956.
During 1958 an Interdepartmental Committee on Planning for Psychological Warfare in War was established with representatives of the three Services, IRD, and Colonial Office. A Far East PsyWar Working Party was also formed.
The Psychological Warfare Centre (Maresfield) was set up 1 September 1958 following the demise of JCC. "Objects are to train officers in UK, assist overseas courses, to provide advice to Service Ministries and to prepare various PsyWar publications. In addition, out of its establishment of 3 officers, 7 other ranks (plus 3 civilians) will be provided a Psychological Warfare Cadre Unit in support of the Strategic Reserve (2 officers, 5 other ranks)."
It seems this accelerated interest in PsyWar followed on from the experiences of the Malayan Emergency, the Suez Crisis, Aden and Oman.
The Psychological Warfare Centre was renamed Psychological Operations Centre around end of 1959.
15 July 1968 Directorate of Forward Plans ceases to exist.
Psyops Section established within the Staff of the Defence Operations Centre and responsible to the Deputy Director of the Defence Operations Staff.
Around 1974 there are two UK psyops units, known for security reasons as Army Information Teams.
• No. 1 AIT stationed in Hong Kong.
• No. 2 AIT deployed to the Dhofar on a six month emergency tour.
• 22 SAS have small capability.
Hope some of this helps? Just trying to piece all this together myself.
Dropped you an email about this.