边谈边打？美国航母战斗群击落伊朗无人机，伊朗炮艇逼近美油轮

Core Viewpoint - The ongoing tensions between the U.S. and Iran have escalated, with recent military confrontations occurring in the Arabian Sea and the Strait of Hormuz, while diplomatic negotiations for nuclear talks face significant hurdles [1][15]. Military Developments - The U.S. has accelerated military deployments in the Middle East, including the "Abraham Lincoln" aircraft carrier strike group, which consists of three destroyers and a fleet of aircraft including F/A-18E Super Hornets and F-35C Lightning II fighters [2][16]. - An Iranian drone, identified as the Shahed-139, was shot down by a U.S. F-35C fighter jet while approaching the "Abraham Lincoln" aircraft carrier, which was approximately 500 miles from the Iranian coast [4][6]. Incidents of Confrontation - Two Iranian fast boats harassed a U.S.-flagged chemical tanker, the "Stena Imperative," in the Strait of Hormuz, threatening to board the vessel, which was subsequently escorted by the U.S. Navy [8][10][11]. - The U.S. military characterized Iran's actions as unprofessional and aggressive, increasing the risk of miscalculations in the region [13]. Diplomatic Efforts - Diplomatic talks between U.S. and Iranian officials were scheduled for February 6, but faced setbacks due to Iran's demands for changes in the meeting's location and agenda, focusing solely on Iran's nuclear program [15]. - The U.S. maintains that its demands extend beyond nuclear issues to include restrictions on Iran's ballistic missile program and support for regional proxy forces [15]. Strategic Military Positioning - As of February 2, the U.S. Central Command had deployed 10 ships in the Middle East, second only to the 12 ships in the Caribbean, while Iran continues to use drones for surveillance in the region [16].