消息人士：美军已准备最早于本周末打击伊朗，但特朗普尚未作出最终决定

Core Viewpoint - The U.S. military is prepared to strike Iran as early as this weekend, but President Donald Trump has not yet made a final decision on whether to authorize action [1][5][6]. Group 1: Military Preparedness - The U.S. military has significantly increased air and naval forces in the Middle East, potentially ready to launch an attack this weekend [1][8]. - The USS Gerald R. Ford, the most advanced aircraft carrier, is expected to arrive in the region soon, following a series of military deployments [8]. - U.S. Air Force units stationed in the UK, including refueling aircraft and fighter jets, are being redeployed closer to the Middle East [8]. Group 2: Diplomatic Efforts - Indirect talks between Iran and U.S. representatives lasted three and a half hours in Geneva, but no clear outcomes were achieved [7]. - The Iranian chief negotiator stated that both sides agreed on a "set of guiding principles," but many details remain to be discussed [7]. - White House Press Secretary Karine Levitt indicated that Iran is expected to provide more details on its negotiating position in the coming weeks [2][7]. Group 3: Political Considerations - Levitt emphasized that while diplomacy is the president's preferred option, military action remains on the table [4][7]. - Various scheduling factors may influence the timing of any potential strike, including the conclusion of the Winter Olympics and the beginning of Ramadan [8]. - Trump is set to deliver his annual State of the Union address next week, which may impact his decision-making process regarding military action [8].