美军航母进入印度洋

Group 1 - The U.S. aircraft carrier "Abraham Lincoln" has entered the Central Command's area of responsibility in the Indian Ocean due to increasing threats from Iran [1] - The carrier is reportedly not yet prepared for any potential attacks against Iran [2] - Iranian Supreme Leader Khamenei is believed to be hiding in underground facilities, indicating possible military preparations by Iran [2] Group 2 - U.S. President Trump stated that a "large fleet" is heading to the Middle East [2] - The U.S. is increasing military presence in the region, including deploying at least one aircraft carrier and additional missile defense systems [2]