Prime Minister considers Note delivered Dublin February 21st¹ genuine attempt, initiated by United States Military Authorities, to prevent information re invasion preparations getting to Germany through Ireland. Formal Note presented rather than verbal request for the purpose of record and emphasis and to avoid future misunderstanding in the event of subsequent catastrophe to invasion force caused by information which might have been transmitted from Ireland. Prime Minister satisfied no thought of trying to force Ireland into war. Considers United States Ambassador will not make an issue of your reply to Note, terms of which he regards as matter for you entirely. He cannot think of any ulterior motive in sending Note. He would be greatly surprised if any further action contemplated by United States Government. If Note presented in pursuance of policy already decided contemplating further action against us, British Government would have informed him beforehand owing to his special position. He knew nothing of either Note until after presentation.

Prime Minister, however, emphasised his own view that closing of missions would remove potentially grave situation and would be important further indication of Irish goodwill. Refusal could count seriously against us later on, but that was matter for consideration by you. Suggests great caution about making Note or reply public. He considers it would be unwise for him to suggest withdrawal of United States Note but makes no suggestion about your decision in that respect. Feels you should take Note at face value. Whatever report you send, there will be no desire or attempt to take matter further.

Prime Minister grateful to Minister for approach to him and would be very anxious to help to prevent dangerous situation developing. He feels matter will be arranged.