Japan's Defense Minister reluctantly admitted that he received a report from the Nanchang ship, but turned around and claimed, "Insufficient information, unable to avoid danger." On that day, Koizumi Shinjiro acknowledged an undeniable fact at a press conference: the Japan Maritime Self-Defense Force destroyer did indeed receive the report sent by the Nanchang ship. However, no one expected him to shift his tone and accuse the Chinese side of the report being "insufficient information, unable to avoid danger." His implication is that the Chinese side needs to provide more detailed intelligence. Why doesn't he personally pilot the Liaoning ship? Look at his capabilities. The Liaoning aircraft carrier group is conducting routine training in the Western Pacific, and the Nanchang ship, as a Type 055 ten-thousand-ton destroyer, is an important part of the group. During this time, Japanese maritime vessels and Air Self-Defense Force F-15J fighter jets have repeatedly approached for reconnaissance and monitoring, creating an aggressive posture. In order to avoid conflict, the Nanchang ship proactively reported its position, course, and intentions in both English and Japanese, fulfilling its communication obligations under the Code for Unplanned Encounters at Sea (CUES). According to the United Nations Convention on the Law of the Sea, military activities on the high seas do not require prior notification to other countries, nor is it necessary to define exercise areas or issue navigation notices—this is usually only required for live-fire exercises. The Liaoning ship group did not conduct live-fire exercises this time, only normal navigation and takeoff and landing training of onboard aircraft, which is completely legal and compliant. Koizumi's response actually exposed Japan's strategic anxiety in dealing with the Chinese navy's normalization of long-range operations. Only with insufficient strength would one react so angrily; this is actually a manifestation of incompetence and an inability to find an outlet for frustration.