File:UnitedStatesFleetMarineForceFMFEnlistedWarfareSpecialistDevice.png

Summary
Fleet Marine Force Enlisted Warfare Specialist Device (United States Navy). By United States Department of the Navy [Public domain or Public domain], via Wikimedia Commons. Source can be seen here: https://commons.wikimedia.org/wiki/File:UnitedStatesFleetMarineForceFMFEnlistedWarfareSpecialistDevice.png