Introduction
The international community is now examining reports of airstrikes conducted by Israel against key military and nuclear targets linked to Iran. This situation presents a dilemma for Christians who are called to mourn the loss of life while upholding the teachings of peace. They recall the blessing given to peacemakers in scripture, yet also recognize that conflict is an inescapable facet of our broken world, as foretold by Jesus.
Christian thinkers have long wrestled with the complex ethics of war. Since the fourth century, theologians have refined principles known collectively as Just War Theory. These criteria, originally articulated by Augustine and refined over time, outline the conditions that must be met to justify the use of armed force.
In a recent discussion on the subject, a leading voice outlined six core principles:
The Six Principles of Just War
- Just Cause: War must be fought only for reasons such as self-defense or the prevention of grave injustices. An unprovoked or aggressive war is never acceptable.
- Right Intention: The aim of engaging in conflict should be to restore peace or to correct a serious wrongdoing rather than to satisfy personal or national vendettas.
- Legitimate Authority: Only duly established governments have the right to declare and wage war, excluding individual factions or rogue groups.
- Last Resort: All nonviolent alternatives must be exhausted before resorting to military action.
- Proportional Objectives: The anticipated benefits of a military intervention must be weighed against the expected harm, ensuring that the scale of the force used is appropriate to the objective.
- Reasonable Chance of Success: There must be a realistic prospect for achieving success; otherwise, the costs of war cannot be justified.
Application to Israel’s Airstrikes Against Iran
Just Cause: Protecting Against Existential Threats
Reports indicate that Iran has adopted a hostile stance toward Israel, with rhetoric and actions that threaten the nation’s survival. The conflict’s origins trace back to a violent attack that set off a multifaceted war, with Iran supporting proxy groups across the region. Faced with the potential for nuclear escalation and an existential threat, Israel’s actions are seen as defensive measures aimed at averting annihilation.
Right Intention: Disabling the Nuclear Capability
Israel’s primary goal was to undermine Iran’s progress toward developing nuclear weapons. By targeting nuclear enrichment sites and units linked to the nuclear program, Israel focused on neutralizing an imminent threat rather than pursuing territorial gains or retaliation for past grievances.
Proportionate Objectives: Targeting Military Capabilities
The strikes were carefully calibrated. Rather than inflicting indiscriminate damage on civilian areas, military operations were concentrated on disrupting the nuclear weapons program and dismantling related defenses. This approach was seen as proportional to the necessity of preventing a catastrophic outcome.
Reasonable Chance of Success: Capitalizing on Previous Operations
Israel had previously demonstrated its military prowess with operations that had significantly weakened Iran’s air defense capabilities. A major assault executed not long ago confirmed the effectiveness of these tactics, instilling confidence that a focused strike against nuclear facilities would succeed in substantially reducing Iran’s threat.
Legitimate Authority: Command Under a Credible Government
The decision to launch these strikes comes from Israel’s elected leadership, led by a prime minister recognized as the legitimate head of government. This standing contrasts sharply with non-state militant actors in the region, whose actions lack such authoritative endorsement, thereby reinforcing the legality of the operation under the principles of Just War.
Last Resort: When Diplomacy Has Failed
Before resorting to military measures, Israel pursued every conceivable diplomatic avenue to dissuade Iran from advancing its nuclear ambitions. However, with Iran taking unprecedented steps to enrich uranium and defy international oversight, negotiations reached an impasse. Faced with an imminent threat, the decision to act militarily became necessary.
Conclusion
While the sorrow of conflict weighs heavily, the principles of Just War guide us in understanding that under exceptional circumstances, such actions can be morally justified. These criteria, when met, emphasize that war is an ultimate recourse, undertaken only when all other options have been exhausted and when it is aimed solely at preserving peace and security.
Even as Christians long for reconciliation and mercy, the complex realities of our world sometimes compel nations to make hard choices in pursuit of a future where peace may ultimately prevail.

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