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This medal recognises service on Operations MANITOU, ACCORDION and OKRA from 1 July 2014, and service on Operation HIGHROAD from 1 January 2015.
A summary of eligible service is:
See Instrument for full criteria [PDF]
The medal is a cupro-nickel medal finished in antique silver. The obverse bears an old-world stylised world globe signifying global operations, interlinked with a Federation Star. The globe is surrounded by the words ‘AUSTRALIAN OPERATIONAL SERVICE MEDAL’.
The reverse bears a central horizontal stylised scroll with the words ‘Defending Australia and its national interests’, overlaying a wreath of mimosa, above which sits an hour glass motif signifying the ongoing vigilance and timely response of Defence.
An ADF member on a second or subsequent deployment to Operations may be awarded an accumulated service device on completion of the prescribed qualifying period.
The colours of the ribbon have been chosen to represent specific aspects of the Greater Middle East Operation. Bone to represent sand, green to represent Australia and hope, black to represent anti-piracy and blue to represent the maritime and air aspects.
Australian Operational Service Medal – Greater Middle East Operation Instrument of 13 April 2015 [PDF]