Flags have been from time to time used as rallying aspects for the duration of battles; squaddies may assemble around their colorations for morale

https://jaidenbnki358.clearhavendigest.com/posts/preserving-history-tips-for-collecting-civil-war-flags

Flags have been normally used as rallying aspects at some point of battles; troopers would accumulate round their colors for morale toughen whilst faced with overwhelming odds.