Miniature Medal, Non-Anodized, Korean Service MedalThe Korean Service Medal (KSM) is a military award for service in the United States Armed Forces and was created in November 1950 by executive order of President Harry Truman. The Korean Service Medal is the primary United States military award for participation in the Korean War and is awarded to any U.S. service member, who performed duty in the Republic of Korea, between June 27, 1950 and July 27, 1954.