美方被曝正酝酿对伊朗最后一击

Group 1 - The core viewpoint of the article highlights the U.S. Department of Defense's development of a "last strike" military option against Iran, which may include ground troops and large-scale airstrikes if diplomatic negotiations do not progress, especially with ongoing disruptions in the Strait of Hormuz [1] - Analysts suggest that the likelihood of escalating tensions will increase if diplomatic efforts fail, with some U.S. officials believing that strong military action could provide leverage in future negotiations [1] - The discussed military options include blocking or conducting military actions against Iran's main oil export hubs and key islands, as well as intercepting Iranian oil shipments in the Strait of Hormuz [1] Group 2 - The U.S. military is preparing strike plans against Iranian nuclear facilities, which may involve ground operations deep inland or large-scale airstrikes, although these plans have not been finalized and are still considered "hypothetical" by the White House [1] - The White House has indicated that if substantial progress is not made in negotiations with Iran, further escalation of military actions cannot be ruled out [1] - The U.S. is increasing its military presence in the Middle East, including deploying fighter jet squadrons and ground troops, while Iran has warned of large-scale retaliation if attacked [1]