In the Korea Strait between Japan and Korea, the large armored cruisers of the Second Fleet of the Naval Academy, the Admiral III and Admiral IV, with a displacement of more than 7,000 tons, were sailing in the Korea Strait at this time.
It turned out that Beiyang Fleet Admiral Ding Ruchang received intelligence that after several major battles with the Qing army, the Japanese army had captured nearly 15,000 Qing soldiers as prisoners of war, most of whom were elite Huai Army soldiers of the Beiyang Fleet.
Originally, the Japanese had imprisoned this large group of Qing soldiers in a prisoner-of-war camp in Pyongyang, Korea. Now, Ding Ruchang received intelligence that the Japanese were preparing to transport the Qing prisoners of war back to Japan in batches. Therefore, Ding Ruchang ord
