Final answer:
The maritime signal flag 'Bravo' signifies that a ship is managing dangerous cargo. It's a communication tool to enhance safety by informing others of potential hazards associated with the ship's cargo.
Step-by-step explanation:
In maritime signal flags, the flag "Bravo" indicates that a ship is taking in, discharging, or carrying dangerous cargo. This is crucial for ensuring safety at sea, as it alerts other ships and the harbor authorities of the potentially hazardous nature of the cargo being handled. Maritime signal flags are an international code system used for ships to communicate with each other; each flag has a specific and standardized meaning.