AP Mahon of Hut 8 to EWT June 2 re destruction of sets of 4 wheel German Naval E...

HW 14/129

1945 June 1-15

AP Mahon of Hut 8 to EWT June 2 re destruction of sets of 4 wheel German Naval E catalogues, one book of each to be retained as historical example; AD (WTC) to DD (A) June1, BP Comms Section morse links transferred to printer, Morse Room to close June 2; AD (3) from SLU FC June 4 approval received for close-down; Historical Record of BP CCR June 8; CLS Williams to DD 1 June 7 re commercial tasks at Forest Moor and Knockholt; 3 AS historical papers compiled circa June 1945 entitled"GAF Variable C/ss,""GAF Air/Ground Q Code Traffic" and"GAF R/T Traffic" from years 1938-1944; M/S draft of June 3 for AS History entitled"AS Intelligence Work" quoting types and total number of reports issued by AS; DD (AS) to DD 3 at Berkeley Street re note from G; AS to DD 1 June 8 giving AS processing statistics for May, AS reporting statistics for May, June 9; AS listing June 8 of Italian Air material 1936-1943 held by Cheadle; exchanges between DD 1 and F/L Calvacoressi, June 14, year unspecified but subject, locations of GAF units in France and listening posts in N Spain, suggests June 1944; June 2 Hut 3 no longer requires MI-6 Section V (F) fortnightly reports but copies still required for DD 1, Lt Col Evans and NS; Staff Sec to NS CSO June 5 summarising intercept and processing of Japanese commercial comms, CSO to NS VII re Japanese cyphers June 6; SHAEF Rear to AD (3) June 2, SHAEF to disband by June 30, Frankfurt to become US Theatre HQ, no details yet on US Sigint channels; dates for closing of Sigs-I Sub-Div and G-2 of SHAEF June 20-30; Col Scott at SHAEF to AD (WTC) June 11 asking that FE be notified that I SHAEF closing down June 20, sent on by BP to SLU ADV HQ ALFSEA, replies June 12/13, SLU SHAEF to AD (3) June 12, Sigint Sub-Div G2 closing at SHAEF June 20, Scott going to similar post in 21 AG; Capt Kellog at SLU SHAEF to Hilles June 12 re named senior US officers requiring Sigint service/clearance after SHAEF re-organisation; minutes of meeting at SHAEF HQ June 14 between Lt Col H Winterbotham and Col Scott covering 13 Sigint/intelligence related subjects; Scott to AD (WTC) and TICOM June 1, leaving SHAEF (Main) for local visits June 1, leaving for UK June 2; Lt Col Winterbotham at 21 AG to Scott June 2 re Sigint channels to Barnet and BP; Scott to EWT June 15 re movements of Lt Col JM Brown from BP and attached to SHAEF HQ from Nov 1944, to vacate SHAEF post June 17 and be attached to 21 AG HQ for one month from June 18; CPB to Scott June 1 re suggested relaxation of paraphrase rule, US not in favour; 21 AG update of German W/T links June 5; 1 SIC changes title to 1 SWG Minden June 11; Scott to AD (WTC) and reply June 11 re DF station at Nancy, 21 AG to Sigs 4 WO June 15, Nancy DF station being dismantled, equipment and personnel withdrawn to 110 SW Section; SHAEF (Main) to AD (3) June 14 in probably TICOM related search for Grube, Mettig and Morgenroth; EWT to Williams at BP re service of political Sigint for Eisenhower and Montgomery, June 15; EWT to DNI June 7 re US protests over compromise of Sigint in Admiralty document CB 4377; regular BP liaison with SLU Washington, Washington to BP June 2 re signal for HMS Anderson, OP-20-G requires details of voice intercept for RN shipborne Sigint, to be sent to Bodsworth in OP-20-G, ETW to Col O'Connor in Washington June 5 stating Bodsworth will obtain, June 8 BP finds US RFP report invaluable, requests similar report on US DF; O'Connor to EWT June 4 re Wren officer required from BP to work with Bodsworth, reply June 11; O'Connor to EWT June 8, Bodsworth to return to UK about June 15, to return to OP-20-G by about July 15, Bodsworth to be present in OP-20-G for McIntyre's visit from NS in mid-Aug, Major Cheadle and Lt Cdr Chalkley to carry out normal technical liaison, EWT to O'Connor June 10 stating details of future visit of McIntyre to OP-20-G to follow, follow-up signal June 12; minutes of SSA meeting at Arlington Hall June 1 on Japanese commercial traffic from BP integree in SSA, Maj JR Cheadle, sent to EWT; regular liaison between BP and OP-20-G and NEGAT in Washington. Simpson in BP NS to Bodsworth June 7; DD (NS) to DD 3 at Berkeley Street re relevant paras on CNA codes from OP-20-G's Daily Progress Reports May 16-29, SLU Washington to BP June 11 re CNA cypher, BP asks Washington for more working aids on CNA, reply June 15; Lt Cdr Grant Manson, USN, to leave US by air June 15 with clerical assistant, to contact BP shortly after arrival in UK; EWT to OC HMS Anderson Capt Keith June 1, Alexander from BP NS leaving for Colombo June 1; BP to Anderson June 1 re Sigint stationery supplies for Anderson, to arrive late July; BP to Anderson June 2 re loan of 2 Anderson officers to WEC, Hollerith equipment now surplus at Anderson, reply June 4; EWT to O'Connor June 8 re defects in Ceylon, Admiralty passes O'Connor's signal to OC Anderson, Anderson to BP June 9 re disruption of Sigint channels at Colombo by monsoon and floods; OC Anderson to OP-20-G June 12 re Japanese Army and Navy cyphers; BP to Anderson June 14 re Alexander's request for automatic time stamping clocks, 10 being despatched; BP to FRUMEL from DNI June 3 re RN officer for relief in FRUMEL; BP to FRUMEL June 9 asking how many RN personnel required for Australian Sigint stations; AD (WTC) to Blair-Cunnynghame in Italy June 12 re Sigint channels; CBB to Anderson and BP June 1; DSO Hunt 3 to C and 3 Service Chiefs of Intelligence June 7 re message from Japanese Naval Attache, Berne, re covert peace plan being submitted to Japanese Navy by US envoy Dulles, described by Japanese in most favourable terms, EWT to Capt Wenger, Head of OP-20-G, June 8 stating extremely limited distribution being given to these messages from Berne, reply June 13 stating similar distribution in US; Admiralty to C-in-C Med June 1 with orders for handling ME crisis in Syria and Lebanon; disbandment of MI-17 at WO, sent to Lt Col Leatham at BP June 4; DD (Y) and Sigs 4 of WO moving to Hotel Victoria June 11, room and telephone details; Guam to all BRUSA stations re Japanese message on additive book numbers June 5, Guam again to Brusa stations June 6, Central Bureau Leyte changed to Central Bureau San Miguel; C to Secretary SIB Wing Cdr Childs June 13 re proposed meeting to discuss use of Ultra by official historians, Directors of Intelligence to attend, Childs to DD 1, DD (NS) and Service Chiefs of Intelligence June 14, meeting to be held at SIB June 22 under chairmanship of DD 1

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