美军战斗机正飞往中东！伊朗：国防部队进入全面战备状态 俄罗斯警告美国：后果严重

Group 1 - The core viewpoint of the articles indicates that the U.S. military is preparing for a potential large-scale bombing operation against Iran, with significant deployments of fighter jets and support aircraft to the Middle East [1][3][8] - Over 50 U.S. fighter jets, including F-35s and F-16s, have been deployed to the Gulf region within 24 hours, suggesting preparations for a military action against Iran [3][5] - Analysts predict that heavy bombers, such as B-2 and B-52, may be used for significant strikes if the U.S. decides to proceed with military action, indicating a potential for sustained military operations lasting several weeks [6][8] Group 2 - The U.S. military buildup follows indirect negotiations between the U.S. and Iran, with uncertainty about whether the troop increase is meant to threaten Iran or compel concessions in nuclear talks [8] - Iranian officials have stated that their defense forces are on full alert, indicating a readiness for potential conflict, and emphasizing the importance of both negotiation and military preparedness [8] - Russia has warned that any new U.S. strikes against Iran could have severe consequences, highlighting the risks associated with military actions in the region [9] Group 3 - The International Atomic Energy Agency (IAEA) has acknowledged progress in U.S.-Iran talks but warns that time is running out for a resolution, indicating the urgency of the situation [10] - The IAEA's director general noted that while there is a willingness to negotiate, the complexity of the discussions poses challenges for reaching an agreement [10]