Full Breakdown
Former Defense Secretary Mark Esper Warns U.S.–Iran Conflict Could Extend Into Late 2020s
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Esper Predicts a Prolonged War
Former Secretary of Defense Mark Esper, speaking at the LSEG and Eurasia Group GZERO Summit in London, said the U.S.–Iran war is likely to continue “well into 2027” and could be transferred to a subsequent administration as early as 2029. He described the current stalemate—characterized by a U.S. naval blockade of the Strait of Hormuz and intermittent Iranian retaliations—as an “impasse” that may persist for years. Esper questioned whether President Trump would accept a negotiated settlement that restores the Strait to its pre-conflict status, noting that such a deal would be “harder” than the one reached under the 2015 nuclear agreement.
Context of the Conflict and Sanctions Strategy
The confrontation entered its eighth month after President Trump announced an intensified sanctions campaign in the summer, labeling it “Economic D-Day.” Esper, who served as defense secretary from July 2019 to November 2020, has long advocated for “economic strangulation” of Iran, arguing that the approach requires “time, discipline and patience”—qualities he says are often lacking in Washington. He cautioned that while the policy could eventually pressure Tehran back to negotiations, it does not guarantee a settlement.
Administration’s Public Position
The statement frames the sanctions as the “least worst option” amid limited alternatives.
Potential Implications
If the conflict endures into the late 2020s, analysts note that the United States could be forced to allocate sustained military and economic resources, potentially diverting attention from other strategic concerns such as China’s rising influence. The prolonged blockade of the Strait of Hormuz also raises risks for global oil shipments, while continued sanctions may further destabilize Iran’s domestic economy, influencing regional security dynamics.