Many regiments for the period of the Civil War carried entertaining flags that showcased their different unit insignia
https://paxtonlita906.publishlane.com/posts/civil-war-flag-collecting-finding-rare-pieces-and-their-stories-2
Many regiments in the course of the Civil War carried distinctive flags that showcased their distinctive unit insignia, fostering camaraderie and pleasure amongst infantrymen on the battlefield.