In military contexts, flying flags serve as significant symbols of honor and sacrifice

https://elliotczms645.valoradigest.com/posts/what-happens-when-a-nation-stops-promoting-its-own-symbols-like-the-american-flag

In defense force contexts, flying flags function most important symbols of honor and sacrifice. They are raised at some stage in ceremonies to understand that fallen troopers, reminding us of the fee paid for freedom and the values that unite countries.