The Harukaze-class destroyer was the first indigenous post-World War II Japanese destroyer class. Its main mission was anti-submarine warfare. Almost all equipment was supplied from the United States according to the U.S. and Japan Mutual Defense Assistance Agreement. Sensor systems on-board was standard equipment in the U.S. navy at that time, for example, the AN/SPS-6 air-search radar, the AN/SPS-5 surface-search radar, the QHB search sonar, the QDA attack sonar.