2026年第一场“全面”战争，一触即发？

Group 1 - The core point of the article is the escalating military tensions between the United States and Iran, with President Trump issuing a "final ultimatum" to Iran, suggesting potential military action, while Iran has vowed to respond forcefully to any attack [1][15][17] - The U.S. military is reportedly prepared for a significant strike against Iran, with the deployment of the USS Abraham Lincoln aircraft carrier strike group in the region, indicating a readiness for action within one to two days if ordered [4][18] - Iran's leadership has made it clear that any military action from the U.S. will be considered a declaration of war, with intentions to retaliate against key targets, including Israel [2][21] Group 2 - The U.S. has communicated its military readiness to Israel, indicating that preparations for potential action against Iran could be completed within two weeks, although immediate action is not deemed urgent [9][23] - Both the U.S. and Iran are conducting military exercises in response to the heightened tensions, with the U.S. showcasing its rapid deployment capabilities and Iran conducting live-fire drills near the Strait of Hormuz [23] - The geopolitical implications of a potential conflict are significant, as Iran controls a critical shipping route for global oil supplies, and any disruption could lead to a spike in oil prices and broader economic instability [25]