Should NATO Enforce a No-ly Zone Over Ukraine?

A Brookings Institution analysis argues that a no-fly zone over western Ukraine could save thousands of civilian lives by grounding Russian aircraft that have conducted deliberate strikes on residential areas, citing UN data that over 8,000 civilians were killed in the first year of the war, many by air-dropped bombs. The report notes that Russia's air force has failed to achieve full air superiority, and a limited NATO-enforced zone could deter further aerial bombing without requiring ground troops, drawing on historical precedents like the 1990s Iraq no-fly zones that operated for years without escalating to major conflict.

A report from the Atlantic Council highlights the Ukrainian government's official appeals to NATO, arguing that the alliance's refusal to enforce a no-fly zone violates the Responsibility to Protect (R2P) doctrine. It cites expert testimony from international law scholars who state that a no-fly zone aimed solely at preventing civilian casualties could be lawful under collective self-defense (Article 51 of the UN Charter) and would not necessarily constitute an act of war if limited to defensive measures. The report includes statistics showing that Russian air strikes have destroyed over 400 civilian infrastructure sites, including schools and hospitals, and argues that NATO's inaction has prolonged the conflict by allowing Russia to maintain air superiority in contested regions.

A detailed analysis by the RAND Corporation warns that enforcing a no-fly zone would require NATO to shoot down Russian aircraft and destroy air defense systems, which would trigger a direct military conflict with a nuclear-armed state. The report cites Russian military doctrine, which explicitly allows for the use of tactical nuclear weapons in response to a conventional attack on Russian forces, and notes that Putin has made multiple veiled nuclear threats since the start of the war. RAND's war-gaming simulations concluded that any NATO-Russia engagement would escalate beyond control, with a 30-50% chance of nuclear use, potentially killing hundreds of millions in Europe and North America. The evidence argues that even a limited no-fly zone would be an unacceptable gamble with global survival.

A study published in the Journal of Strategic Studies examines the nature of Russia's military tactics in Ukraine, showing that over 80% of civilian casualties were caused by artillery, ballistic missiles, and drones, not fixed-wing aircraft. The study argues that a no-fly zone would have minimal impact on protecting civilians, as these weapons systems are not affected by air superiority. It also cites examples from previous conflicts, such as the NATO no-fly zones over Libya and Bosnia, where ground attacks continued despite air control, and concludes that the primary effect of a no-fly zone would be to provoke a direct NATO-Russia war without achieving its stated humanitarian goal. The authors recommend continued arms supplies and economic sanctions as more effective and less escalatory alternatives.