Japan - Flag - Warning flag flown by a modern, official Japanese patrol boat. - 155 X 110 CM.

This Japanese flag is a warning flag flown by modern official Japanese patrol boats. Flags used by maritime patrol vessels in Japan serve crucial roles in signaling and communication within coastal and naval operations. The size of 155 by 110 centimeters suggests it is designed for clear visibility at sea. Such flags often incorporate specific colors and symbols that convey warnings or identify the vessel's authority. The use of national or maritime symbols denotes the flag's official status, facilitating recognition by other ships and authorities. Modern flags like this one reflect Japan's continued maritime tradition, adhering to international standards for naval communication and sovereignty enforcement within its territorial waters.