Background and history -- Navy insignia -- Ranks, rates and ratings -- Officer rank insignia -- Commissioned officer sleeve devices -- Warrant officers sleeve devices -- Enlisted rank/rate insignia -- Service stripes -- Specialty marks -- Breast insignia -- Identification badges -- Aiguillettes, brassards and buttons -- Awards and decorations -- Types of medals and ribbons -- Attachments and devices -- Placement of devices -- Claiming medals -- Wearing ribbons and medals -- Wearing medals, insignia and the uniform by veterans and retirees -- Color plates -- Decorations and service medals -- Foreign decorations -- Marksmanship badges -- Commemorative medals -- Displaying awards.