As a result the government dispatched the warships Unyo and Daini Teibo in 1875 and had them sound the sea to the coast of Korea aiming to gain an advantage by demonstrating its strength.
そのため、軍艦数隻を朝鮮沿岸に派遣し海路を測量させて示威を行い交渉を有利に進めることとし、1875年軍艦雲揚、第二丁卯を派遣した。