[citation needed] At around 9:30 pm on 31 March 1978, she came into contact with the submarine JDS Asashio while training at Enshu Nada, about 120 km south of Omaezaki, Shizuoka Prefecture.

The periscope of Asashio and the right screw of Natsugumo were partially damaged.

At that time, anti-submarine attack training aimed at Asashio was underway in this water area, and Asashio came into contact with Natsugumo at a periscope depth of about 16 meters.

[citation needed] A special renovation work was carried out between 15 December 1981 and 15 June 1982, and the DASH QH-50D on the rear deck was removed and equipped with an ASROC launcher.

[citation needed] On 19 March 1986, the 22nd Escort Corps was reorganized under the Kure District Force.