外媒爆料：美国驻卡塔尔乌代德空军基地部分人员被建议周三晚前离开

Group 1 - The core point of the news is that personnel at the U.S. Al Udeid Air Base in Qatar have been advised to leave by the evening of January 14, indicating a change in the situation rather than an evacuation order [1][3] - Al Udeid Air Base is the largest U.S. military base in the Middle East, housing approximately 10,000 U.S. troops [3] - There was a previous instance of personnel withdrawal from the base prior to U.S. airstrikes on Iran in June of the previous year [3] Group 2 - Recent reports indicate a significant increase in U.S. military aircraft activity at Al Udeid Air Base [3] - U.S. President Trump has stated that diplomacy is the preferred option regarding the current situation with Iran, but military action will be considered if necessary [3] - An Iranian official has indicated that direct communication between Iran and the U.S. has ceased, warning that Iran will retaliate against U.S. bases in the region if attacked [3]