The USS Pixiu did not launch an attack on Midway. After more than a month of life on the submarine, Li Guang had made great progress; he had become very patient. After spotting a Japanese merchant ship, the Pixiu quietly followed it westward for a whole day. After this brief encounter, Li Guang realized that the destroyer's reputation as a submarine killer was well-deserved. Destroyers not only have speed, but also powerful armament. Submarines, on the other hand, have few options for dealing with destroyers, especially without vertically launched torpedoes or missiles. When a submarine is detected by a destroyer, it is almost always a one-sided attack. Ten Japanese merchant ships formed a square formation on the sea, flanked by two escort destroyers. The distance between the merchant s

