What is the main function of the Post flag?

The main function of the Post flag is to be flown at military installations. It serves as a symbol of the unit or command at that location, representing the pride and heritage of the personnel assigned there. This flag is typically raised in the morning and lowered at sunset, contributing to the daily rituals and traditions observed at military posts.

Using a Post flag specifically at military installations distinguishes it from other flags used in different contexts, such as ceremonial situations or on ships, which all have separate flags designated for those specific circumstances. The Post flag also plays a role in maintaining morale among service members and reinforces the connection to their duty station.