美国宣布重启核试验引多方质疑，美媒：让人联想到冷战最黑暗时期

Core Points - President Trump has ordered the immediate resumption of nuclear weapons testing after a 33-year hiatus, which has sparked significant public and international backlash [1][2] - Critics warn that the resumption of nuclear tests could trigger a global arms race, with concerns raised by various international leaders and organizations [3][4] Summary by Sections U.S. Government Actions - Trump announced on social media that he has instructed the military to restart nuclear tests due to other countries' testing plans, claiming the U.S. has the largest nuclear arsenal [2] - The Vice President emphasized the importance of ensuring the nuclear arsenal operates correctly, without addressing the notion of reciprocal testing with other nations [2] International Reactions - Russian officials clarified that their recent tests do not constitute nuclear tests and warned that they would respond if the U.S. proceeds with actual nuclear tests [3] - China urged the U.S. to adhere to its commitments under the Comprehensive Nuclear-Test-Ban Treaty (CTBT) to maintain global strategic stability [3] - Iran's foreign minister condemned the U.S. decision as a serious threat to international peace and security [3] Domestic Concerns - There is skepticism within the U.S. regarding the necessity of resuming nuclear tests, with officials previously stating that scientific data should suffice for maintaining the nuclear arsenal [4] - The last nuclear test by any country occurred in 2017, and the U.S. has conducted a total of 1,032 nuclear tests since 1945, with the last one in 1992 [4]