美国对伊动武是否一触即发？美方有何顾虑？

Core Viewpoint - The article discusses the escalating tensions between the United States and Iran, highlighting President Trump's ultimatum for Iran to reach an agreement within 10 to 15 days, and the potential for limited military action if negotiations fail [1][2]. Military Deployment - The U.S. has been increasing its military presence around Iran, including the deployment of the USS Abraham Lincoln aircraft carrier strike group and additional fighter jets and missile defense systems [2]. - Trump confirmed the dispatch of a second aircraft carrier strike group to the Middle East, indicating a significant military buildup in the region [2]. Iran's Response - Iran is engaging in negotiations while simultaneously preparing for potential military conflict, demonstrating its readiness for self-defense [3]. - Recent indirect talks between the U.S. and Iran have shown some progress, but core disagreements remain, particularly regarding uranium enrichment and missile capabilities [3]. - Iran conducted military exercises in the Strait of Hormuz, showcasing its missile capabilities and readiness to respond to U.S. actions [3]. U.S. Concerns - Analysts suggest that the Trump administration aims to apply maximum military pressure on Iran to force concessions in negotiations, while also being cautious of the potential for a broader conflict [4][5]. - The U.S. is concerned about the implications of military action, including the risk of a prolonged conflict that could drain resources and affect regional stability [5]. - There are fears that military action could disrupt global energy markets, particularly if Iran were to block the Strait of Hormuz, a critical oil transport route [5]. Domestic Sentiment - A recent poll indicated that 70% of American voters oppose military action against Iran, suggesting significant domestic resistance to potential military engagement [6]. - The political ramifications of military action, especially in an election year, are a significant concern for the Trump administration, as failure to achieve clear results could lead to domestic and international criticism [6].