Sir Arthur Antony Duff, GCMG, CVO, DSO, DSC, PC (25 February 1920–13 August 2000) was Director-General (DG) of MI5, the United Kingdom's internal security service, from 1985 to 1988. He previously served in the Cabinet Office and was Deputy Governor of Southern Rhodesia, to Lord Soames, 1979–80. On the Orders insignia, St Michael is often depicted subduing Satan. ... Victoria founded the Royal Victorian Order. ... DSO medal The Distinguished Service Order (DSO) is a military decoration of the United Kingdom, and formerly of other Commonwealth countries, awarded for meritorious or distinguished service by officers of the armed forces during wartime, typically in actual combat. ... The Distinguished Service Cross (DSC) is the third level military decoration awarded to officers and (since 1993) ratings of the Royal Navy and formerly also to officers of other Commonwealth countries. ... Her Majestys Most Honourable Privy Council is a body of advisors to the British Sovereign. ... February 25 is the 56th day of the year in the Gregorian Calendar. ... Year 1920 (MCMXX) was a leap year starting on Thursday. ... August 13 is the 225th day of the year in the Gregorian Calendar (226th in leap years), with 140 days remaining. ... This article is about the year 2000. ... The Director-General of MI5 is the head of the Security Service (MI5), the United Kingdoms internal counter terrorism and counter espionage service. ... This article or section does not cite its references or sources. ... The Cabinet Office is a department of the Government of the United Kingdom responsible for supporting the Prime Minister and Cabinet in progressing matters that require coordination across Government departments. ... Southern Rhodesia was the name of the British colony situated immediately to the north of South Africa, known today as Zimbabwe. ... Arthur Christopher John Soames, Baron Soames (October 12, 1920-September 16, 1987) was the last Governor of Zimbabwe. ...