28 May 1971 - 3 July 1975.
Joint United States Military Assistance Group-Korea
United States Army Element.
3 July 1975 - Current.
The insignia is in the form of an ancient bronze bell;
one of the landmarks of Seoul, Korea. The eagle represents
the United States, and the colors red, white, and blue are
the colors of the national flag of Korea and the United States.
The patch was worn with a blue tab and gold letters that formed
the unit's designation "Jusmag-K."