The Operational Service Medal ( OSM ) was established in 1999 to replace the General Service Medal ( 1962 ) for all new operations . A separate medal of the same design is awarded for each campaign , differentiated by a distinct ribbon . Prior to its most recent version , the medal has been awarded for three separate campaigns : The Operational Service Medal for Iraq and Syria is silver and circular in shape
General Service Medal ( 1962 )
General Service Medal (1962)
Operational Service Medal Iraq and Syria