On December 12, Japan's Defense Minister Shinjiro Koizumi held a telephone conversation with US Defense Secretary Hegseth. Koizumi claimed at a press conference after the talks that he and Hegseth agreed that “China's actions are not conducive to regional peace and stability, and are acts that increase regional tension.” According to reports, Japan's Ministry of Defense issued a statement saying that the two sides discussed the so-called “radar incident” that occurred on December 6 and the “increasingly serious security situation” in the region. Japan's Ministry of Defense wrote, “Both sides are deeply concerned that China's actions are not contributing to regional peace and stability, and any act that increases regional tension is deeply disturbing.” During the call, Shinjiro Koizumi also stated that Japan will continue to carry out surveillance activities in the surrounding sea and airspace and respond calmly and resolutely to any unexpected situation. The statement said that the US and Japan have agreed to maintain close communication and plan to hold face-to-face meetings early next year. Shinjiro Koizumi claimed at the press conference that “the deterrent and response capabilities of the Japan-US alliance will be further strengthened through close cooperation with Hegseth.”

On December 12, Japan's Defense Minister Shinjiro Koizumi held a telephone conversation with US Defense Secretary Hegseth. Koizumi claimed at a press conference after the talks that he and Hegseth agreed that “China's actions are not conducive to regional peace and stability, and are acts that increase regional tension.” According to reports, Japan's Ministry of Defense issued a statement saying that the two sides discussed the so-called “radar incident” that occurred on December 6 and the “increasingly serious security situation” in the region. Japan's Ministry of Defense wrote, “Both sides are deeply concerned that China's actions are not contributing to regional peace and stability, and any act that increases regional tension is deeply disturbing.” During the call, Shinjiro Koizumi also stated that Japan will continue to carry out surveillance activities in the surrounding sea and airspace and respond calmly and resolutely to any unexpected situation. The statement said that the US and Japan have agreed to maintain close communication and plan to hold face-to-face meetings early next year. Shinjiro Koizumi claimed at the press conference that “the deterrent and response capabilities of the Japan-US alliance will be further strengthened through close cooperation with Hegseth.”