Type 81 Fire Control System (FCS-2) is a Japanese shipboard gun and missile fire-control system. This series of systems has been installed on destroyers of the Japan Maritime Self-Defense Force built between FY1977 and FY2001 to control medium-caliber guns and Sea Sparrow missiles, including ESSM.
FCS-2-31 on JDS Hayabusa
FCS-2-21A on board JDS Yamayuki
FCS-2-12: radome and electro-optical tracker
Rear view of a FCS-2-31 on board JDS Kirisame
Hatsuyuki-class destroyer
The Hatsuyuki-class destroyer is a class of destroyer, serving with the Japan Maritime Self-Defense Force (JMSDF). It was the first class of first generation of general-purpose destroyers of the JMSDF.
Isoyuki (DD-127)
JS Isoyuki (DD-127)