The current U.S.–Israeli campaign against Iran reflects a shared judgment in Washington and Jerusalem: Constraining Tehran without threatening regime survival is no longer sustainable.
For decades, Washington and its allies managed the Islamic Republic through sanctions, covert disruption, proxy containment, diplomacy, and calibrated force. These measures imposed costs while preserving the assumption that the regime would endure. Tehran adapted. Pressure became cyclical: negotiations bought time. Recovery followed punishment.
What changed was not simply Iranian behavior, but the perception of time: The window for effective pressure narrowed, and the view gained ground in Washington that further negotiations would buy time for Tehran. Diplomatic efforts that might once have extended that window had faltered, reinforcing the perception that time favored Tehran rather than its adversaries.
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Deterrence did not collapse suddenly. It eroded as regime survival itself became a success for Tehran.
That dynamic altered the strategic baseline. If endurance alone constituted victory, any strategy that stopped short of threatening regime continuity effectively conceded the terms of competition. What once appeared prudent restraint began to look like a managed stalemate — sustainable for Tehran, corrosive for its adversaries.
Nuclear acceleration and sustained proxy warfare made continued management untenable. Jerusalem had long judged managing Iran more dangerous than altering its underlying logic. Washington converged with that assessment as facilities hardened, negotiations stalled, and the space for delay visibly contracted. Waiting risked locking in a nuclear-deterrent Iran and permanently shrinking Western freedom of action. Inaction had become the greater gamble.
Democracies often postpone costly decisions, mistaking delay for safety. The present campaign reflects the opposite judgment: act while strategic margin still exists.
The elimination of Supreme Leader Ali Khamenei signals a decisive shift: The objective is no longer limited to degrading nuclear capacity or proxy networks, but to fracture the regime’s confidence in its own invulnerability.
Israeli Prime Minister Benjamin Netanyahu has framed the campaign as creating conditions for Iranians to cast off the regime. President Donald Trump paired escalation with offers of immunity to Iranian security officials willing to defect. These signals target not only infrastructure but cohesion.
The strategy edges toward regime destabilization while attempting to avoid ownership of the aftermath. It seeks collapse without custodianship.
Unlike the Iraq war, which culminated in prolonged occupation and state-building, neither country has signaled an intent to rebuild Iran or impose political order. The bet is that sustained internal pressure — economic exhaustion, elite fracture, and defections — can produce change from within once regime invulnerability is broken.
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The deeper constraint, however, may not be Iranian resistance but coalition endurance. Prolonged coercive pressure demands political time horizons that democratic systems rarely sustain. American tolerance for escalation will be tested against electoral cycles and domestic priorities. Israeli society historically absorbs higher short-term costs, but alignment cannot be assumed indefinitely. The durability of the campaign depends on whether democratic cohesion outlasts authoritarian endurance.
The risks of escalation are real. But Washington and Jerusalem concluded that returning to a cycle that rewarded Tehran’s patience and revealed Western fatigue posed the greater danger.
Stephanie Campbell is an Australian lawyer and strategist writing on geopolitics, deterrence, and alliance strategy.
