The Air Force Expeditionary Service Ribbon (AFESR) is a military award of the United States Air Force which was first created in June 2003. The ribbon is awarded to any member of the Air Force who completes a standard contingency deployment.
The regulations of the Air Force Expeditionary Service Ribbon define a deployment as either forty-five consecutive days or ninety non-consecutive days in a deployed status. Temporary duty orders also qualify towards the ninety-day time requirement. For deployments exceeding 45–90 days, a single Air Force Expeditionary Service Ribbon will be awarded for the entire time frame rather than issuing multiple awards for the same period of deployed service.