Analysis of information sources in references of the Wikipedia article "MI6" in English language version.
Churchill launched Stephenson on his spymaster career by appointing him to head the British Security Co-ordination Service in New York before the United States had entered the Second World War.
Churchill launched Stephenson on his spymaster career by appointing him to head the British Security Co-ordination Service in New York before the United States had entered the Second World War.