Core Viewpoint - The U.S. Department of Defense expresses strong dissatisfaction with Japan's slow response in increasing defense spending compared to other allies like South Korea, Australia, Germany, and Canada [2][4]. Group 1: U.S. Defense Department's Perspective - U.S. officials have noted that Japan has long expressed concerns about the deteriorating security environment but has cited constitutional limitations as a reason for not providing more substantial support [4]. - The U.S. Defense Department has been negotiating with allies to enhance their defense capabilities since the second Trump administration, highlighting a general expectation for Japan to increase its defense spending [4][5]. - Japan aims to raise its defense spending to 2% of GDP by 2027, but U.S. officials believe this is still insufficient given the current security landscape [4]. Group 2: Comparison with Other Allies - The U.S. has praised other allies for aligning with its defense spending expectations, contrasting this with Japan's perceived reluctance to take similar steps [2][4]. - There is an indication that negotiations with South Korea's new government are progressing, while Japan's attitude remains negative [4]. Group 3: Expectations for Japan - U.S. officials expect Japan to play a more active role in its own defense and collective self-defense, indicating a shift in how Japan is treated compared to other nations [5].

会谈开始前，日本防卫相中谷元与美国防长赫格塞思握手（3月30日，日本防卫省） 特朗普政府内部存在要求日本尽快将防卫费提高至占国内生产总值（GDP）3％的声音。日本政 府设定了到2027财年将防卫费提高至占GDP比重2％的目标。 3月30日，日本防卫相中谷元在防卫省与美国国防部长赫格塞思举行了首次会谈。特朗普政府内部存在 要求日本尽快将防卫费提高至GDP占比3％的声音。赫格塞思透露："（会谈中）双方没有谈及具体的防 卫费水平"…… 3月30日，日本防卫相中谷元在防卫省与美国国防部长赫格塞思举行了首次会谈。在会谈后的记 者会上，赫格塞思就日本增加防卫费一事表示："日本应该会在必要的能力方面做出正确的决 定"。他同时表示，驻日美军与日本自卫队已着手展开指挥控制方面的协作。 赫格塞思透露："（会谈中）双方没有谈及具体的防卫费水平"，采取了促使日本主动增加防卫费 的姿态。 中谷强调，日美"确认了怀着紧迫感强化防卫力量的决心"，并认为"获得了美方的理解"。 赫格塞思表示，已开始为改编驻日美军司令部并成立"统合军司令部"做准备。考虑到日本方面3月 24日组建了对陆海空自卫队进行统一指挥的统合作战司令部，于是成立了与驻日美军 ...