A style of flags have been designed for naval battles throughout the time of the Civil War; those included distinguishing marks for ships

https://stephentkru765.cloudhinter.com/posts/reenactment-essentials-must-have-civil-war-flags-for-authentic-experiences-2

A variety of flags have been designed for naval battles throughout the time of the Civil War; those integrated distinguishing marks for ships engaged in wrestle on rivers and seas alike.