This medal is awarded to members of the Armed Forces of the United States who have been assigned, attached, or mobilized to units operating in the area of eligibility for thirty consecutive or for sixty non-consecutive days, or who meet the following criteria:
-- Be engaged in combat during an armed engagement, regardless of the time in the area of elibility;
-- Is wounded or injured in the line of duty and requires medical evacuation from the area of eligibility;
-- While participating as a regularly assigned aircrew member flying sorties into, out of, or within the area of eligibility in direct support of military operations. Each day that one or more sorties are flown in accordance with these criteria shall count as one day toward the 30 or 60 day requirement;
-- Personnel who serve in operations and exercises conducted in the area of eligibility are considered for the award as long as the basic time criteria are met. Due to the extensive time period for KDSM eligibility, the non-consecutive service period for eligibility remains cumulative throughout the entire period.
The Area of eligibility encompasses all land area of the Republic of Korea, and the continuous water out to 12 nautical miles, and all air spaces above the land and water areas.