20 March 2026

Iran’s War Strategy: Don’t Calibrate—Escalate

Mona Yacoubian

Iran’s aggressive retaliation against U.S. and Israeli strikes highlights Tehran’s war strategy: eschewing calibrated retaliation for unbridled escalation. Iran aims to restore deterrence and ensure the Islamic Republic’s place in the region’s emerging order. Iran signaled its intent to widen and deepen the conflict from day one, and its unprecedented approach could spark multiple escalation scenarios with significant regional and global impacts.

By going big early, Iran appears to have absorbed the lessons from previous conflicts. Iran and Israel first crossed the Rubicon of open state-on-state conflict in 2024, with direct clashes in April and October. Then, the United States joined Israel in the June 2025 Twelve-Day War. These conflicts were marked by limited, tit-for-tat escalation, short durations, and a telegraphed and choreographed end. This time is different. Even before the outbreak of conflict, Tehran signaled that it would not repeat the Twelve-Day War. Threatened by regime change and determined to deter future attacks, Iran appears to have opted for unrestrained escalation.

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