Joint Service Achievement Medal
The Joint Service Achievement Medal (JSAM) is a decoration presented by the United States Secretary of Defense to officers below the grade of O-6 and enlisted members below the grade of E-7 who, while serving in a joint military command or activity, have performed either an exceptional achievement or commendable service that has not been recognized by a Commendation Medal. Subsequent awards are denoted by Oak Leaf Clusters worn on the service medal.