Service: Army National Guard and Army Reserve Forces
Instituted: 3 March 1971
Criteria: Since 3 March 1971 the medal has been authorized on completion of four years service. As of 25 Feb. 1995, the length of qualifying service was reduced to three years
Devices: Bronze and Silver Oak Leaf Clusters
Authorized by the Secretary of the Army on March 3, 1971 and amended by Dept. of the Army General Order 4, 1974, this medal is awarded to any person in the rank of Colonel or below for exemplary behavior, efficiency and fidelity while serving as a member of the Army National Guard (ARNG), a United States Army Reserve troop program unit (TPU) or as an individual augmentee.