The Coast Guard Overseas Service Ribbon was approved on 28 October 2009 with details announced on 29 April 2010. It is awarded to active duty members on a permanent assignment and who successfully complete a tour of duty of at least 12 months at an overseas shore-based duty station or on board a cutter permanently assigned to an overseas area. It is also awarded to reservists who are permanently assigned and have satisfactorily completed a minimum of 36 cumulative days of service at an overseas duty station during each 12-month period of the total tour of duty.
