Exchanges between AGD and C on invasion contingency plans and BP's mobile BQ column,...

HW 14/7

1940 Sept-Oct

Exchanges between AGD and C on invasion contingency plans and BP's mobile BQ column, ADG's MS draft on dispersal of GCCS staff and records in a number of different scenarios; proposal from AGD to C on formation of Central Intelligence Section, later to be known as Intelligence Exchange (IE); BP staff positions and salaries; letter from John Saltmarsh of BP to Cdr Bradshaw, Chief Admin Officer at BP, offering to store secret Sigint papers at King's College, Cambridge; BP dealings with BTM; AS staff problems, pay and grading, letters to AM from JES Cooper, Head of Air Section (HAS), summarising staff problems and appealing for more RAF officers; complaint to HAS from EHL Whitestone, a senior computor at Cheadle, concerning status of computors there, similar letter from JD Simmonds, conciliatory reply from Cooper; AD Knox bitterly complains to AGD about his work allocation, unsympathetic reply from AGD; UK Sigint school to be set up under auspices of 4 IS at BP; handling of German Secret Service material at BP; personal letter from AN Dakin of Naval Section (NS) BP to HNS, presenting a very critical view of the Admiralty Sigint Cell, ID 8G, during his visit there, supporting MS notes from FH Hinsley of NS; Sigint liaison with Poles, Canadians and Americans; Daily Sketch of Oct 3 compromises UK Sigint capability by quoting foreign diplomatic telegram of Sept 27; Captain Godfrey's detailed report of his visit to Finland and talks on Sigint exchange, sent to Lt Col Tiltman; FO Sigint cover at PO and Metropolitan Police intercept stations; weekly cover plans for Flowerdown; contingency plan for dispersal of UK Service Sigint stations; list of RAF intercept positions in UK and number of additional sets required for full cover; instructions for disposal of Sigint taken in India, liaison with Burma Defence Bureau; radio stations at Seaforth, Lands End, Cullerscoat and Wick intercept German messages; increases in war establishment of 4 IS at BP, with detailed breakdown of sections and posts, by Lt Col JH Tiltman, Commandant of 4 IS; formation of CBME, AGD appeals to C, summarising tragic farce to date by Services over CBME and asks for his support for CBME and appointment of Major F Jacob as its head, C prompts Chiefs of Staff to issue directive establishing CBME with Major Jacob as head; list of RAF intercept positions in UK and additional sets required for full cover

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Air Force

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Intelligence

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Operations, battles and campaigns