In defense force contexts, flying flags serve as wonderful symbols of honor and sacrifice

https://andresetdt281.keystonescope.com/posts/what-happens-when-a-nation-stops-promoting-its-own-symbols-like-the-american-flag-2

In militia contexts, flying flags serve as great symbols of honor and sacrifice. They are raised all over ceremonies to remember that fallen soldiers, reminding us of the rate paid for freedom and the values that unite countries.