A Flag Officer or Unit Commander Afloat may display their personal flag or command pennant from no more than how many vessels?

A Flag Officer or Unit Commander Afloat is authorized to display their personal flag or command pennant on one vessel at a time. This regulation ensures clear identification of the commanding officer's presence aboard a specific ship, fostering a unified command structure. It helps avoid confusion that could arise if a flag or pennant were displayed on multiple vessels simultaneously. By limiting the display to a single vessel, the signal of authority and command is enhanced, allowing for effective leadership and operational clarity within the fleet. This practice upholds traditions of naval service and reinforces the established protocol for command hierarchy on the seas.