JS Wakashio (SS-587) was the fifth ship of the Harushio-class submarine of Japan Maritime Self-Defense Force.

Meanwhile, the type, dual vibration-damping support of the anti-vibration support or main engine of the main motor, the auxiliary equipment and pipe systems, static power supply, and rectification of the hole opening on the bottom of the ship.

Through these efforts, it was decided that the masker sound insulation device was unnecessary, and in the latter model of this model, it was so quiet that it would not be detected even if snorkeling was continued until the sonobuoy was visible.

[1] Wakashio was laid down at Mitsubishi Heavy Industries Kobe Shipyard on 12 December 1990 as the 1990 plan 2400-ton submarine No.

She was decommissioned on 5 March 2013 and scrapped in Dokai Bay, Kyushu on 27 August 2015.