Falklands: Sir Antony Duff letter to Director GCHQ (15/16 April security concerns about Haig revealing British SIGINT to Argentina) [updates Tovey] [declassified May 2023]

Tovey was about to visit the US and Canada. The annotation at foot of the letter is in his handwriting.

During the Falklands War Sir Antony Duff was Intelligence Coordinator based in the Cabinet Office and Roger Carrick was Counsellor at Britain's Washington Embassy, representing the JIC among other tasks. Carrick's reply follows.

The message from Nott which Duff is discussing may be read here.

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