* '''2022-06-08:''' Became improvable and upgradeable to {{Equipment/Link|15m Duplex Rangefinder Kai + Type 21 Radar Kai Ni + Skilled Fire Direction Center}} | * '''2022-06-08:''' Became improvable and upgradeable to {{Equipment/Link|15m Duplex Rangefinder Kai + Type 21 Radar Kai Ni + Skilled Fire Direction Center}} |