Easter Rising in putting the rising off for only a day, although it greatly reduced the number of Volunteers who turned out. British Naval Intelligence had been aware of the arms shipment, Casement's return, and the Easter date for the rising through radio messages between Germany and its embassy in the United States that were intercepted by the Royal Navy and deciphered in Room 40 of the Admiralty. The information was passed to the Under-Secretary for Ireland, Sir Matthew Nathan, on 17 April, but without revealing its source, and Nathan was doubtful about its accuracy. When news reached Dublin of the capture
Non-British personnel in the RAF during the Battle of Britain in the British military, however, and ten pilots from the country fought in the RAF during the Battle of Britain. One of them, Brendan "Paddy" Finucane, became an ace who would claim a total of 32 enemy aircraft before he was killed in 1942. The eldest of five children, Finucane grew up in County Dublin, where his father had taken part in the Easter Rising of 1916. He and his family moved to England in 1936, and he enlisted in the Royal Air Force aged 17. Finucane became operational in July 1940 and downed his first Bf 109 on 12