ENA security guard, security officer, or protective agent is a private person who is paid to protect an organization's assets (property, people, money, etc.
ENA guard ship is a warship assigned as a stationary guard in a port or harbour, as opposed to a coastal patrol boat which serves its protective role at sea.
ENThe Security Bureau of the National Police Agency (警察庁警備局 Keisatsu-chō Keibi-kyoku) is a bureau of the Japan's National Police Agency in charge of national-l...