Awarded for accumulated campaign service totaling 720 days. This medal replaced the ACSM.
Bars are awarded for each additional period of 720 days.
The following medals count towards the award:-
CSM 1962-2007 with clasps Northern Ireland 14th August 1969 - 31st July 2007, Dhofar 1st October 1969 - 30th September 1976, Lebanon 7th February 1983 - 9th March 1984, Mine Clearance-Gulf of Suez 15th August 1984 - 15th October 1984, Gulf 17th November 1986 - 28th February 1989, Kuwait 8th March 1991 - 30th September 1991, Northern Iraq and Southern Turkey 6th April 1991 - 17th July 1991, Air Operations Iraq (South) 16th July 1991 - 18th March 2003 Iraq (North) 16th July 1991 - 30th April 2003; Operational Service Medal Sierra Leone 5th May 2000 - 31st July 2002, Afghanistan since 11th September 2001 and Democratic Republic of Congo 14th June 2003 - 10th September 2003. The Iraq Medal 20th January 2003 - 22nd May 2011. Also any multinational campaign medals approved since 1st April 2000.
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