DE Ishikari Class
Only 1 ship was built under the DE Ishikari class. The Ishikari class was designed as escort vessel for regional district, and it was the first newly-built escort ship to carry gas turbine as the main engine. DE 226 uses the diesel while cruising and adds the gas turbine to reach the high-speed. In addition, it is equipped with Harpoon SSM and OTO Melara 76mm rapid fire gun. Surface combat ability was strengthened substantially compared to the previous escort ships.
But, because of the limited space, it was decided impossible to have ASROC system on-board; instead, the ship is only equipped with Bofors rocket as anti-submarine armamnet. As a result, the Ishikari class became to have a stronger image as an escort vessel, although it was originally planned to be an anti-submarine warship. As for the type of body shape, only the Ishikari and Yubari classes adopted the central superstructure type.
Because the warship was too small, there was a problem of habitability and it made remodeling for capacity improvement difficult. Therefore, construction of the same class warship was cancelled and it was decided to build the Yubari class instead.
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