Lt Col Webster to EWT May re minutes of BP production meeting of May 19; EWT's instruction...

HW 14/128

1945 May 16-31

Lt Col Webster to EWT May re minutes of BP production meeting of May 19; EWT's instruction on procedures for BP Sigint Histories May 22, requests 6 copies of each document to be sent to him; V Cavendish Bentinck of FO to C May 25 re GP messages on executions of Jews by SS in Russia, queries classification, could it preclude handing over to War Crimes' Commission, C to EWT May 26 asking for classification of material, Lt Col Webster to EWT May 28 answering Bentink's query on SS Atrocities, material was medium grade and therefore releasable, only non-releasable material was some Orange CX/MSS from concentration camps, complete interchange of GP traffic with Russians until Nov 1942 and Germans were fully aware that we had broken GP medium grade; DD 4 to EWT and DD (A) May 23 re special tasking for BP to read all German diplomatic OTP from Mar 1, special sub-section to be formed from RS and Berkeley St for task; paper by Kenworthy of Knockholt May 17 on PO/FO Sigint stations and future manning, release of PO operators, suggested transfer of PO stations to FO, comments from AD (WTC) to EWT May 26, comments from AD (WTC) dated June 5 giving figures for PO operators in UK and abroad as at Sept 1944, DD (A) to EWT May 16 re Kenworthy's paper; AD (WTC) to EWT May 28 with suggested list of UK Sigint stations to receive letter from EWT, AD (WTC) again to EWT May 31 giving Sayer's terms of reference at time war ended with suggested changes for future; DD (Y) to AD (WTC) May 21 giving current Sigint military priorities for WO, DD (Y) again to Sayer May 27 re intercept of diplomatic and commerical printer traffic from military Y stations; AD (WTC) to CSO (SW) May 29 agreeing DF station at Nancy could close; DD (MW) to DD 1 May 16 asking which customers of Vera V2 intelligence would be interested in receiving Appendix I to DD (MW)'s covering letter to MW's Weekly Report for w.e. May 12, Lt Col Webster to DD (MW) May 22 with suggested distribution for historical report on Vera V2 decrypts; IE statement May 30 in reply to C's request on numbers and description of each reporting series issued by IE during the European War; Capt Lowe to Marchant of Hut 3 May 17 on feasibility of exploiting previously unprocessed German printer to obtain more information on Russian Orbat, lukewarm response from AD 3 to EWT; SLU FC to AD 3 May 24 agreeing their Sigint channel to BP be closed each night from 2200Z; Lt Col Webster for DD 1 to Section Heads May 25 re Hut 3 Geographical Information Bureau, suggests could form nucleus of more comprehensive Bureau serving all of BP when Hut 3 closes, comments requests, comments from DD 3, DD 4 and AD (WTC) May 26-28; Lt Col Pritchard of Sicta to DD 4 May 30 re Sigint liaison with Poles; AS instruction May 17 on handling German P/L; letter from Mc'Vittie, Head of Met Section, May 20 to Lt Howse, ex Met Section but now in Washington, describing developments in German Met Service 1944-45 until its final demise in May 1945; AM to BP May 25, closing down Chicksands' outstation at Capel; NS 1J to CSO May 17 re improving supply of Russian papers and magazines to be used as cribs; request from COMNAVEUR May 23 for permission for 5 US Naval Officers on detachment from ONI to visit Captured Documents' Section at BP; Lt Col Brown at 21 AG to DD 1 May 16, going to SHAEF May 17 to share office with Col Scott, to visit BP later, BP requests May 17 that Brown visits BP; Scott at SHAEF to DD 1 May 18, Brown to leave SHAEF May 19 by air for Croydon en route BP with urgent information, Scott to TICOM May 19; lengthy signal from Scott to AD (WTC) May 19 re details of cover on German Army comms; Scott to Brown visiting BP May 20, Scott to be at new location by May 29; Brown to EWT May 26, Col Bicher does not wish him to remain in Paris, will return briefly to 21 AG before returning to BP if EWT agrees, Scott to EWT May 26 re Brown's future, suggests should return to BP but remain BP's representative at SHAEF; Scott to AD 3 May 29 re OI Flashes; Brown to DD (MS) May 30, sending Jackson home to BP with 1 SIC, Brown probably visiting UK June 1 for meeting at BP with Scott on June 4; Scott to DD (Y) May 19 re proposed move of Nancy Sigint station to Strasbourg, Lt Col Blair-Cunnynghame in Italy to prepare Sigint team for move to Strasbourg late May, Sigint link required Strasbourg to Fidardo but no action until political settlement on US and French Zones of Occupation; Scott to CPB May 20 re security precautions to be taken if French element incorporated in SHAEF staff; Scott to AD (WTC) and Dudley-Smith May 23, going to SHAEF Main for talks with Col Bicher and French Col Rafelli; 1 SIC to BP May 17 re Sigint channels to BP and May 20 re move of 1 SIC on June 3; 21 AG order May 21 on 30 WGI Section taking over Sigint responsibilities of 1 SIC wef May 23; 21 AG to MI-8 May 25 re proforma for totals of receivers and operators, suggests present form now out of date and provides sample of suggested replacement, Wing Cdr Smith of WTC comments to AD (WTC) May 29 on proposed form, May 30 AD (WTC) to MI-8 agreeing 21 AG's proposed new proforma; Maj Gen Strong at SHAEF to AD May 21 requesting daily summary of German Army P/L messages intercepted by Sigint units; Strong to DMI May 23 re photographing of documents belonging to German Col Schiebe; 21 AG details of German W/T links with diagrams May 22, amended May 27, comments from Lt Col Gadd of Sixta to Lt Col Webster on 21 AG W/T diagrams; description of new NIPPI BP reporting series for Japanese Section of G-2 SHAEF May 30; AS to Cheadle for 365 WU and Det A May 17 re intercept by them of German Naval P/L May 10/11; Keith to C May 19 re location of German intelligence officer, hoped to send officer and documents to MI-19; Powell at SLU USSTAF (Main) to Hilles May 18 re Powell taking up liaison post at AM after discussion with Gen Mc'Donald, replacing ol Douglass, Powell to Hilles again May 19 re support from Gen Mc'Donald; DNI to EWT and Army and AF Ds of 1 May 27 suggesting the sending of all captured signals to BP, attached were order from EWT to C dated Dec 28 1944 stating all Sigint reports to be destroyed or returned to BP at end of war and extracts of SB minutes relating to compilation of Sigint historical records, reply from EWT to DNI May 31; EWT to Lt Col Blair-Cunnynghame, BP's rep in Italy, May 18 and 22; EWT to Lycett at SLU SACSEA May 26 re Japanese documents on commercial codes which might be found in Rangoon or Bangkok, reply May 27; regular liaison with SLU Washington, Washington describes ARK system of identifying raw material by station tetragraphs May 16, lists current tetragraphs for a raw Sigint originated in FE, describes US progress on CNA traffic May 17, BP replies May 22 after receiving Italian Hagelin decrypts from Washington, directive for Lt Toplas RN visiting Washington to be discussed by DNI and Capt Laird May 24, will be signalled to Washington when approved, DNI to Hut 3 for SLU Washington May 21 for Capt Laird at COIS BAD; regular technical liaison on Japanese cyphers between Alexander in BP NS and BP's integree in OP-20-G Bodsworth, BP to Bodsworth May 26 covering copies of CNA texts for OP-20-G, BP NS returns CNA messages to Berkeley Street May 26 after sending copies to NEGAT Washington, liaison between BP and Lt Cdr Chalkley, another NS integree in OP-20-G; NEGAT to BP May 18 congratulating BP on success with Japanese Naval Code, reply May 23, NEGAT requests text of a Japanese diplomatic decrypt May 25, NS requests text from DD 3 at Berkeley St, DD 3 sends May 26; Bp to NEGAT May 25, Vance arrived from Washington May 25, to visit BP May 26; SSA Washington to BP from TICOM May 17, reply May 20; OP-20-G sending officer to Okinawa to start special effort against Japanese voice comms, requests any suitable working aids from BP May 18; May 24, Spanish Naval traffic to be cabled to OPG Washington from May 28; Washington asks BP May 27 if interested in r

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