Marine Corps Colonel Badge is the official insignia of the United States Marine Corps that represents colonels. Colonel is an O-6 grade and had the responsibilities of commanding three to five battalions with the assistance of several junior commissioned officers Command Sergeant Major. Colonel can also be assigned to lead division-level special agencies. This badge displays an eagle sitting on an olive branch with the United States flag placed on its chest. This insignia is a large size pair with a silver finish and is made in the USA.