Debate on Legality of U.S.–Israel Strikes on Iran under International Law

Context:
The U.S. and Israel conducted coordinated military strikes on Iran on February 28, triggering a major debate on the legality of the use of force under international law, especially after a missile struck a girls’ primary school in Minab, causing heavy civilian casualties.

Key Highlights:

Military Operation and Civilian Casualties
• The joint U.S.–Israel strikes targeted locations across Iran.
• A missile strike hit a girls’ primary school in Minab, leading to around 150 deaths, mostly schoolchildren, and nearly 100 injuries.
• The incident sparked global outrage and international scrutiny of the legality of the strikes.

International Reaction
UNESCO condemned the attack, calling it a grave violation of International Humanitarian Law (IHL).
• Several international observers raised concerns about civilian protection during armed conflicts.

Legal Debate under the UN Charter
• The UN Charter generally prohibits the use of force against another state.
• The only major exception is the right of self-defense under Article 51 when an armed attack occurs.
• The strikes were justified by the attackers as “pre-emptive action” against an imminent threat.

Issues with the Self-Defense Argument
• Critics argue the self-defense justification is weak because Iran had not launched a recent attack on either country.
• International law does not widely recognize anticipatory self-defense against hypothetical threats.

Violation of International Humanitarian Law Principles
• The strike violated the Principle of Distinction, which requires separation between military targets and civilians.
• If the school was hit unintentionally, the legality depends on whether civilian harm was excessive relative to the military advantage.

Stakeholders
United States and Israel (military actors)
Iran (targeted state)
United Nations and international organizations
Civilian population and humanitarian agencies

Relevant Prelims Points:

  • International Humanitarian Law (IHL)
  • Also known as the Law of Armed Conflict.
  • Seeks to limit the humanitarian impact of war.
  • Applies during armed conflict (jus in bello) regardless of who started the war.
  • Core instruments include the Geneva Conventions (1949) and Additional Protocols (1977).
  • Key Principles of IHL
  • Distinction: Parties must distinguish between combatants and civilians and between military objectives and civilian objects.
  • Proportionality: Civilian harm must not be excessive in relation to anticipated military advantage.
  • Military Necessity: Force must be necessary to achieve legitimate military objectives.
  • Precaution: Parties must take precautions to minimize civilian harm.
  • UN Charter Provisions on Use of Force
  • Article 2(4): Prohibits the threat or use of force against territorial integrity or political independence of any state.
  • Article 51: Recognizes the inherent right of self-defense if an armed attack occurs.
  • The UN Security Council can authorize force for maintaining international peace and security.
  • Anticipatory / Pre-emptive Self-Defense
  • A controversial doctrine allowing force before an actual attack occurs.
  • Not explicitly recognized in the UN Charter, though sometimes argued under customary international law.
  • Jus ad Bellum vs Jus in Bello
  • Jus ad bellum: Legal justification for going to war.
  • Jus in bello: Rules governing conduct during war.

Relevant Mains Points:

  • Legal Framework Governing Use of Force
  • The UN Charter establishes a general prohibition on interstate use of force, except in self-defense or when authorized by the UN Security Council.
  • Unilateral military strikes raise serious legal concerns regarding sovereignty and international order.
  • Challenges in Interpreting Self-Defense
  • Some states argue pre-emptive strikes are necessary against emerging threats, especially in modern warfare involving missiles and nuclear weapons.
  • However, broad interpretations risk weakening the prohibition on the use of force.
  • Humanitarian Concerns in Armed Conflict
  • Civilian infrastructure such as schools and hospitals are protected objects under IHL.
  • Violations undermine global norms protecting non-combatants.
  • Accountability and Enforcement Challenges
  • International law relies largely on state consent and political pressure for enforcement.
  • Bodies like the International Criminal Court (ICC) can prosecute war crimes, but jurisdiction is often contested.
  • Implications for Global Governance
  • Repeated violations of international law risk erosion of the rules-based international order.
  • Weak enforcement may encourage unilateral military interventions by powerful states.

Way Forward
• Strengthen international mechanisms for accountability and investigation of civilian casualties.
• Promote strict adherence to International Humanitarian Law during armed conflicts.
• Encourage diplomatic dialogue and multilateral conflict resolution mechanisms.
• Reinforce the authority of the United Nations and international legal institutions.
• Improve global monitoring systems to prevent attacks on protected civilian infrastructure.

UPSC Relevance:
GS Paper 2: International Relations – global governance, international law, use of force
GS Paper 2: Polity – UN Charter provisions and international legal principles
Prelims: UN Charter, International Humanitarian Law, Geneva Conventions, Article 51

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