外媒爆料：美军正做准备，一旦特朗普下令攻击伊朗，行动可能持续数周

Group 1 - The U.S. military is preparing for potential military actions against Iran, which could lead to unprecedented conflict between the two nations [1][3] - Current military planning is more complex, with potential strikes on Iran's nuclear facilities, national institutions, and security facilities anticipated [3] - Experts warn that such actions could increase risks for U.S. forces due to Iran's strong missile arsenal, and retaliatory strikes from Iran could escalate regional conflicts [3] Group 2 - The U.S. has been increasing pressure on Iran by deploying multiple naval assets, including the USS Abraham Lincoln aircraft carrier, in the Middle East [3] - Iran has stated that it will retaliate against U.S. and Israeli targets in the region if attacked, with approximately 40,000 U.S. troops stationed in the Middle East [4] - Both the U.S. and Iran have expressed a desire to continue negotiations regarding nuclear issues, although the situation remains tense and unresolved [4]