HMS Flowerdown to EWT May 9 thanking him for congratulatory signal, their thanks...

HMS Flowerdown to EWT May 9 thanking him for congratulatory signal, their thanks to BP for mutual co-operation; HC Kenworthy to EWT May 14 re future of non-morse work at Knockholt; AD 3 to EWT May 15 re Col Telford Taylor's letters to C on US views on joint Anglo/American historical research project on Ultra, wishes to know UK intentions before his best Hut 3 personnel are lost; DD 1 to all Section Heads May 9, C requires total of intercepts received and numbers of reports issued by each BP section, all sections to produce statistics; paper by Head of Hut 8 AP Mahon May 9 on future of Hut, only 10 members of Hut being retained after May 14 and transferred to NS, all other staff redundant, Mahon to work in NS and compile Hut 8 History; CLS Williams to DD 1 May 6/7 re Naval Attache transmitter on German/Danish border working Tokyo, continues active May 10/11; thank you signal to AD 3 May 11 from Rajah Army customers and Bari group of HQs for Sigint service to Balkans and SE Theatre, Rajah closed down May 14, all customers debriefed and all Sigint material burned; AD (WTC) to DD (Y) May 1 re Bishops Waltham intercept site; AD (WTC) to OCs Beaumanor, Chicksands and Forest Moor re transfer of cover from German to Exotic world-wide tasks; AD (WTC) to DD (A) re Comms' Section Morse Room and Cypher Office since VE Day, reply from AD 2 May 13, AD (WTC) to DD (A) again May 14; Wing Cdr Smith of WTC to DD 1 May 6 providing details of his new Exotics' Sub-section for cover control and TA of French, Spanish and other countries, staff coming from Sixta and Kedleston; AS instruction May 1 to all sub-sections to produce lists of all documents held; Met Section notes for w.e. May 5 and 12, Section disbanded May 11, congragulatory letter dated May 9 from DMO to DR Mc'Vittie of Met Section May 13; paper by Spanish Sub-section of AS May 7 on Spanish DGS probable intelligence network; instructions by AW Bonsall of AS May 11 for Stage I of disbanding of German Air Section starting May 14; AS instructions May 13 for winding up of Orchestral and Small Cypher and Aircraft Reporting Sub-section; minutes of meeting at Broadway of May 2 over control of SLUs, Lt Col Gore-Browne to be responsible for SLUs world-wide, Wind Cdr Crawshaw for security in SHAEF area until replacing Gore-Browne; EWT to DD (Y) May 12 suggesting that Capt Gordon and Sgt Sills from BP who had headed printer detachment in 21 AG since Feb be mentioned in despatches or decorated, detachment hit by V1 Mar 24 but regained operational status only hours later, DD(Y) replies May 14 agreeing, passes recommendation to Lt Col Winterbotham of 21 AG; AD (2) visiting 21 AG, to DD 1 May 5 re printer intercept by 21 AG, Capt Gordon doing recce for new intercept site, AD (2) to return to BP, Major Tester now working for TICOM and searching for German printer equipment, Lt Col Brown at 21 AG to Cdr Bacon at BP May 5 re German printer station about to be captured by troops of US 6th AG and representing a good TICOM target, EWT to Col Bicher May 6, BP to provide details of German W/T printer comms continuing active in US occupied area, 1 SIC to be informed of similar data for British Zone, Brown at 21 AG for EWT May 6 re printer plain language, with details of transmitters still operating in British occupied Germany, 1 SIC to BP May 9, Gordon to recce Minden May 10 and return to UK after 20th, subsequently trial postponed until May 16, Brown to BP May 9 listing all SIC MW personnel for repatriation, reply from DD (MW) May 10; 1 SWG (Mobile) to BP, 1 SIC and SWG (Advanced) May 1; BP post-war tasking for 1 SIC May 6; AD (WTC) to Brown at 1 SIC May 13 agreeing Sigint unit be concentrated at Minden; Brown to Lt Col Gadd at BP May 3 asking how Blaire-Cunnynghame was employing his Sigint units in Italy, reply May 5, Brown again to Gadd May 11; 1 SIC to 7 SIC and BP May 4 re liaison with 7 SIC in Italy, DD 1 to EWT May 13 covering letter from Brown on events at 21 AG and future of Brown; AS tasking to Det A May 7 re cover of GAF rescue vessels, possibly now engaged in evacuation of personnel, potential for Allies seizing cypher books and tables, Det A to BP May 11, intercepting German Naval traffic in clear from Kiel area; minutes of SHAEF meeting at Versailles Apr 28 on French signal and cypher security sent to Cdr Dudley-Smith at BP May 1, also notes of meeting from Bull to Wilson of CPOB then in Washington, Wilson to discuss with US side; Col Bicher of ETOUSA to DD 1 May 10 re French cypher device B-211, cleared for use by French in SHAEF Theatre; message from GOC-in-C Southern Command to Cdr German Forces in Channel Islands May 6 requesting unconditional surrender, sigs data given for reply, translated into German by Hut 3; SHAEF Forward to BP May 7, Germans sign unconditional surrender 0141 CET May 7, Allied troops to observe cease-fire from 0001 CET May 9; 12th US AG Sitrep for AD (3) May 3, TAGSUM No 46; 6th US AG to Lt Col Gore-Browne and Col Telford Taylor May 7 on de-indoctrination of Ultra-cleared personnel, 6th AG to Telford Taylor May 7 on future Sigint support to the AG, customers de-briefed, Sigint papers burned and SLU ready to move back; Lt Col Gore-Browne to all SLUs May 4 re Ultra regulations; SLU SHAEF (Rear) to AD (3) May 4 re requirement by USAF Gen Spaatz to receive Ultra on FE, USSTAF participation in Ultra historical study; Gens Strong and Betts to Cavendish-Bentinck of FO May 13, Dr Bowles, Scientific Adviser to US War Dept visiting London May 14, wishes to talk to Cavendish-Bentinck on proposed SHAEF Field Intelligence Agency; AD (WTC) to Allied Sigint recipient commands in Italy, ME and SHAEF with instructions for Sigint channels to be kept fully occupied as war ends so that their purpose is not compromised when there are no intercept details or reports to pass, codeword "Ecclesiastic" to denote all spoof traffic employed to keep links busy, exchanges with Brown at 21 AG re Ecclesiastic May 2-8, 1 SIC MW detachment leaving for return to UK May 16, BP to 1 SWG (Advanced) May 15, Ecclestiastic to end May 18; SLU 6th US AG 1st TAF closing down 2200Z May 12, deploying to Versailles; Brown at SLU SHAEF to EWT re SHAEF conference on technical signals' problems May 12; exchanges between AD (WTC) and Blair-Cunnynghame at 15 AG re Ecclesiastic May 1-14; 15 AG to AD (3) fro EWT and C May 2; EWT in Washington to BP May 1 re future liaison visits to BP by Col O'Connor's staff, starting with 2 majors in May-June; Col Telford Taylor to key US Generals and senior intelligence officers in European theatre May 5 with War Dept questionnaire on effectiveness of Sigint service introduced in early 1944, replies from 6th AG, 6th AG 1st TAF, 9th USAF, 12th AG and SLU SHAEF May 6-12; SLU SHAEF to Telford Taylor May 8 re Ultra de-indoctrinations; EWT to Head of Op-20 Wenger May 10 thanking him for congratulatory message, all now will concentrate on Japanese War; DD (NS) to SLU Washington May 6 for Hinsley, Washington to BP May 8, Hinsley, DD (AS) and Manson expected to leave Washington by clipper for UK May 11; Wing Cdr Garrett's newsletter to DD (AS) in Washington May 13; BP to BSC NY May 1, Chinese Naval Attache traffic being signalled for OP-20-G from May 2, Hunt of BP NS to Bodsworth in Washington re CNA traffic for OP-20-G, SLU Washington to BP May 11 re sending of CNA traffic to Washington; various exchanges between BP and SLU Washington during period, May 11 COMINCH sending Lt Cdr SA Dulany Hunter to UK to assist in exploitation of German Naval docs, to be given access to BP, Lt Toplas sails for US on Isle de France May 14, accommodation requested, SSA ready to immediately implement agreement on handling Japanese commercial traffic May 14; technical exchanges between Bodsworth in OP-20-G and Alexander and Prof Plumb of BP NS; C to Lamplough at SLU SACSEA May 1; BP to SLU Washington for COIS BAD for Capt Laird, Naval Summaries for May 1,7 and 10; BP liaison with HMS Anderson, Col

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