United States Navy Medical Service Collar Device
Criteria: The Medical Service Corps of the United States Navy consists of officers engaged in medical support duties. It includes healthcare scientists and researchers, comprising around 60% of its personnel, and healthcare administrators, comprising the remaining 40%. Many of the latter are former enlisted hospital corpsmen, this being the hospital corpsman's route to commissioned status. The Medical Service Corps has around 2,600 serving commissioned officers. Created on August 4, 1947 by act of the United States Congress, the Medical Service Corps originally had four specialist sections: Supply and Administration, Optometry, Allied Sciences, and Pharmacy.