NASA Exceptional Scientific Achievement Medal

The NASA Exceptional Scientific Achievement Medal (abbreviated ESAM) was established by NASA on September 15, 1961 when the original ESM was divided into three separate awards. Under the current guidelines, the ESAM is awarded for unusually significant scientific contribution toward achievement of aeronautical or space exploration goals. This award may be given for individual efforts that have resulted in a contribution of fundamental importance in this field, or have significantly enhanced understanding of this field.