D of S WO to EWT June 19 re non-use of printer links between BP and Forest Moor,...

HW 14/130

1945 June 16-30

D of S WO to EWT June 19 re non-use of printer links between BP and Forest Moor, queries whether links were still required; DD 1 to EWT June 29 on post-Armistice German Naval; DD 1 to C June 30 re translation of captured German document, Lt Cdr Manson, US Navy, detached to BP, has sent note to Capt Wenger, Head of OP-20-G, that C had been informed of the matter and would assist through appropriate channels, document to go on to ONI; Lt Col Thompson to EWT via DD (MW) June 21 re processing of Bulgarian, Romanian and Albanian cyphers, minute from Thompson's Balkan Section June 29 re Albanian Military comms taken in Italy; F Higham of IE to DD 1 June 21 covering pre-history of IE, with attached papers going back to early 1941, including some M/S notes by DD 1 on the rationale behind forming a bigger and better D&R, (ultimately IE), and highlighting the major faults at BP during the early years of the war, papers include a note from HNS, Frank Birch, to Nigel de Grey, then AD (S), dated Apr 4 1941, covering various papers on the running and organisation of NS, additional M/S drafts by de Grey on the running and organisation of IE and on its constitution, M/S notes by anon on duties of officers working in IE; AD (WTC) to Sigint Depts of all 3 Services June 24 proposing that Station Commanders of UK Sigint stations meet at BP July 9 to attend lecture on latest developments in WTC Section; AD (WTC) to DD of Tels 4 June 19 reposition of RAF Y high speed mobile units overseas; AM to AS June 16, Sigint printer channel between AM and BP to be closed between 1800 and 0900 hours; initials DWL, possibily an AS Sub-section Head, to DD (AS) June 17 re work on French TTSF; DDI 4 to BP June 19 re amended establishment for Chicksands; acknowledgement from LW Wells,"Warden" at Greenhithe, for greetings from BP AS to Greenhithe, BP and Greenhithe staff in joint venture over past few months; CLS Williams to Hinsley of NS June 25 re visit by Capt King to BP, Capt King i/c CMY interception at Forest Moor, therefore needs to visit BP CMY Section; Williams at SLU 21 AG to EWT June 16 re Sigint support to UK senior staff in Germany, EWT to Williams June 18 re political Ultra from BP to be seen by Field Marshal Montgomery, Sir William Strang and Mr Steel; EWT to Col Bicher of ETOUSA June 17 with lunch invitation for following Sunday to meet Gen Bissell at BP; SLU SHAEF (Main) to AD 3 at Berkeley Street June 26 requesting discontinuance of Stark-series reports for Gen Macdonald via SLU SHAEF; Lt Col FW Hilles to DD 1 June 27 re dissemination of Stark-series to senior US officers, reply June 29; DD 1 to C June 29 re supply of political Ultra, ie Stark-series reports, to ACC when it moves to Berlin, queries whether Ultra should go to Berlin, comments from C; draft paper on new Sigint station in Austria and forwarding of material June 27, comments from EWT and DD 1; DMI to Maj Gen Strong June 16 requesting Col Scott visit UK June 22-28, conference at MI-8 June 23, discussions on mutual problems with BP, RSS and 21 AG June 25-26 and visits to UK fixed stations June 27-28, Scott at BP signals Cols CB Brown and Bicher, located at SHAEF Main and Rear respectively, June 25, re UK wish to instal DF station in Munich area, replies to MI-8 from Scott; 21 AG to MI-8 June 18, Lt Col Brown to be attached to 21 AG from SHAEF (Main) for a month wef June 17; SHAEF (Main) to TICOM June 18 re interrogation of German personnel of TICOM interest; Chairman TICOM to Brown, now installed at 21 AG, June 18; Gp Capt Scott-Farnie reports June 19 Sigint Air Staff SHAEF ceases to exist wef June 20, in future US material to be sent to HQ 9th AF and UK material to HQ 2nd TAF, repeated by BP Air Sigs Section June 27; 30 WGI Section diagram of active German Army W/T links as at June 18; regular liaison with Washington, minutes of first UKUSA meeting at SSA to discuss trends, policy and matters of general interest to BP and SSA, meetings expected every 3-4 weeks with Major Cheadle and Col O'Connor representing UK interests, O'Connor to be replaced by Gp Capt Jones from Hut 3 in Aug, Cheadle to be replaced by Cap O'Neill in Oct; BP to NEGAT June 20 re US technical journal article of about Xmas 1944 which appeared to compromise Sigint from German submarines, US asked to investigate because of coincidence with the introduction of German submarine Squash transmissions; order from Capt JN Wenger, Assistant Director of Naval Comms OP-20-G, on non-dissemination of decrypts containing names of Allied POW's; Lt Cdr Chalkley, detached to OP-20-G, to EWT June 18 re list of duplicated original Japanese documents despatched to BP from OP-20-G; Lt Cdr Manson and secretary arrived London from Washington June 18, to proceed to BP June 20; BP to NEGAT June 19 re Seahorse and Surfish intercept 1942-1943 being sent from BP to NEGAT; BP to NEGAT June 22, BP sending 2 Sturgeon machines and one printer power unit to Washington, ETA June 28, no second printer power unit available so 20-G and SSA must share: SLU Washington to BP June 29 re signals between OP-20-G, FRUMEL and FRUPAC; BP liaison with BSC NY, BP to BSC Jan 28 re forwarding of Sigint material and problems with Hydra Network; DD (NS) to DD 3 Berkeley Street June 17 re OP-20 Progress Reports and CNA messages, June 18 to DD 3 again on progress by OP-20-G on CNA codes, BP to SLU Washington June 20 re CNA processing in Washington; OP-20-G to BP June 19 re use by NEGAT of Japanese procedure signals and meanings; BP liaison with HMS Anderson, Colombo, BP to Anderson June 18 re message from Anderson seen by Bodsworth visiting BP from Washington; BP to Poulden at HMS Anderson June 21 re FRUEF raw material, reply June 24; EWT to O'Connor June 22 re copies of Colombo's recent signals to Guam, Pearl Harbour, Washington and BP; Anderson to BP June 22 re Wrens for OIC Colombo; EWT to Capt Keith at Colombo June 27, Keith and Alexander, visiting from BP NS, to select 3 cryptographers from Anderson to return to BP; BP to FRUMEL June 20 re UK Sigint personnel for Australian units, reply June 28; CBNIET to DNI June 21 re appointment of Lt Cdr Green, RNVR, as Naval Manx met representative in FE, BP and RAF to be informed; SLU Brisbane to AI 3 (D) via Hut 3 June 26 re Sigint support to Brisbane; C-in-C BPF to Admiralty June 22 re BPF need for qualified Sigint officer in view of Japanese suicide air strikes, selected officer required Sydney mid-Sept, requests be sent to Anderson now for training; June 25, SB meeting of June 22 and draft memo on use of Sigint by official historians to be submitted to JIC, comments from DDMI June 25 and from D of I (s) June 30

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