Flags had been commonly transformed in the field; infantrymen may add patches or symbols to symbolize victories or losses that

https://dominickuqhq312.greyhavendaily.com/posts/civil-war-flags-in-reenactments-authenticity-and-representation-2

Flags have been once in a while converted in the subject; troopers would add patches or symbols to represent victories or losses that marked their unit's experience simply by conflict.