The Public Health Service Meritorious Service Medal is an honor award presented to members of the United States Public Health Service Commissioned Officer Corps and to members of any Uniformed Services of the United States whose accomplishments or achievements are of outstanding or unique significance to the missions of the Corps. It is the second highest award presented by the United States Public Health Service.
https://en.wikipedia.org/wiki/Public_Health_Service_Meritorious_Ser...