EWT to NID in Admiralty after returning from visit to Washington, Sigint operation...

HW 14/82

1943 July 11-20

EWT to NID in Admiralty after returning from visit to Washington, Sigint operation at Adstock, US unit now not to take over Adstock; 2 papers by John de Grey, one on his visit to RAF Sigint station at Chicksands, the other comparing Chicksands unfavourably with the WOYG station at Beaumanor; BP comments to MI-8 on allocation of Sigint positions in N Africa and ME; letter dated July 17 from Col Tozer at GHQ MEF to Lt Col Sayer at BP on Sigint operations from Derna and Bizerta, main target now Italian operations in Balkans and Greece; US Signal Corps officer fakes decode of German submarine message, correspondence June 24-July 18 between C, AD (S), HNS and Chairman of Y Board; paper by EWT on Y Representation Abroad, going back to AD (S)'s draft memo of Apr 6 1943; Portuguese decrypts for FO July 15; HAS to EWT July 14 on future use of US personnel at Cheadle; AS time-scale for preparing BMP report July 16, Italian Section of AS reports translated morale boosting message sent by Rome to all IAF units, volunteers to be sought to join IAF, methods of handling traffic in AS German Air Low-Grade Section with list of all codes being handled and persons responsible; liaison with WO, AM and FO; liaison with Washington, Capt E Hastings RN returning to UK July 13 for duties at BP after completion of intelligence liaison duties in Washington, to be replaced there by Col O'Connor; liaison with ETOUSA, US Sigint from Iceland found to be of little value July 15 and 17; correspondence with Director CBME, Kilindini, Algiers, 351 WU Gibraltar, 380 WU at La Marsa and 329 Wing 25 FU, operational in Sicily July 16; disposition of RAF 329 Wing, drawn from 371, 380 and 381 WUs and 5 and 8 FUs as at July 20, HQ 329 Wing at Algiers with elements at La Marsa, W Sicily, Alexandria and Pachino Sicily; paper from GSI (s) GHQ Home Forces to MI-8 on arguments for GHQ having its own Sigint School July 12; letter dated July 19 from Maj-Gen PG Whiteford, Home Forces, to Gp Capt Winterbotham at HQ following a visit to BP with Lt Col Wallace for discussions on planning supply of Sigint to forces of a new Allied Western Front, Winterbotham to discuss points with C; Sigint support to US VIII Fighter and Air Support Commands, supply of AS BMP report July 16; Spanish decrypt sent to C July 19 to be reported to AM as coming from SIS source, Las Palmas informs Madrid that American Consul interested in sacks of private correspondence Catalina was carrying for US Army in Africa

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