Criteria: Exemplary conduct, efficiency and fidelity during three years of active enlisted service with the U.S. Army (1 year during wartime)
Devices: Bronze, Silver, Gold Knotted clasp
Authorized on June 28, 1941 for exemplary conduct, efficiency and fidelity and awarded to Army personnel who, on or after August 27, 1940, had honorably completed three years of active Federal military service. The medal could also be awarded for one year of service after December 7, 1941 while the U.S. was at war. The award was not automatic and required certification by a commanding officer (usually a battalion commander or higher).