Operational Service Medal EIIR (OSM)(All Missions) Mission Ribbon:OSM-EXP An aggregate of 180 days

An aggregate of 180 days of honourable service on the posted strength of Canadian Forces Station (CFS) Alert

NATO reintroduced the award of multiple tour indicators to be worn on certain Article and Non-Article 5 NATO Medals for all return deployments after 1 January 2011 to the same NATO operation or activity

the Gulf of Oman

Aircrews flying NATO surveillance missions outside Canadian airspace

Operational Service Medal EIIR (OSM)(All Missions) Mission Ribbon:OSM-EXP An aggregate of 180 daysThe Canadian Operational Service Medal (OSM) is awarded to: members of the CF; members of allied forces serving with the CF; members of recognized Canadian police forces and allied police officers working with them; and Canadian citizens other than members of the CF or sworn police officers working with the CF or with Canadian police forces; who served in a theatre of operations, provided direct support on a full time basis to operations conducted in