In armed forces contexts, flying flags serve as considerable symbols of honor and sacrifice

https://daltonofln651.zenbloomer.com/posts/prayer-in-public-schools-why-is-it-controversial-when-other-expressions-are-protected

In army contexts, flying flags serve as marvelous symbols of honor and sacrifice. They are raised throughout ceremonies to needless to say fallen squaddies, reminding us of the payment paid for freedom and the values that unite countries.