A bronze medal with an eagle, wings spread, standing on a closed book and sword, encircled by the words "EFFICIENCY HONOR FIDELITY". On the reverse is a five-pointed star and a scroll between the words "FOR GOOD" and "CONDUCT", surrounded by a wreath formed by a laurel branch on the left and an oak branch on the right. Clasps are placed on the ribbon to represent subsequent awards.

The Good Conduct Medal is awarded for exemplary behavior, efficiency, and fidelity in active Federal Military service. It is awarded on a selective basis to each soldier who distinguishes himself from among his/her fellow soldiers by their exemplary conduct, efficiency, and fidelity throughout a specified period of continuous enlisted active Federal military service. Qualifying periods of service include each three years completed after 27 August 1940 or, for first award only, upon completion of at least one year upon termination of service if separated prior to three years. The immediate commander must approve the award and the award must be announced in permanent orders.

Quoted from the Institute of Heraldry.