When your squad is waiting for battle in a building and there are more than5 squads in the queue (either attacker queue or defender queue), you can have your squad advance to an adjacent non-friendly building. Your squad will then leave the queue and march toward the target building.

When your squad is waiting for battle in a building and there are more than5 squads in the queue, you can have your squad retreat to an adjacent friendly building. Your squad cannot retreat when there are no friendly buildings around the original building.