美国国防部长赫格塞思：针对伊朗的打击计划花费了数月时间和数周的部署准备，旨在在总统下令时做好准备。

Core Viewpoint - The U.S. Secretary of Defense, Lloyd Austin, stated that the strike plan against Iran took months to prepare and weeks for deployment, aiming to be ready for presidential orders [1] Group 1 - The planning for the strike against Iran involved extensive preparation over several months [1] - Deployment readiness was established over a period of weeks [1] - The objective of the preparation was to ensure readiness for immediate action upon presidential directive [1]