Drone Warfare and International Humanitarian Law: What GCs and Law Firms Must Know Now

Why Drone Warfare Has Become a Compliance Issue for Commercial Lawyers

Drone warfare and international humanitarian law are no longer topics confined to military legal advisers and NGO counsel. When the UN's humanitarian chief Tom Fletcher warned publicly that rising drone use in Ukraine threatens aid operations and that IHL "continues to apply" regardless of how sophisticated or remote the weapons become, he was sending a signal that reaches well beyond the battlefield. General counsel at logistics companies, humanitarian contractors, insurers, and technology suppliers all have reason to pay attention. The legal architecture governing armed conflict is being stress-tested in real time, and contracts that were written without that architecture in mind are showing their weaknesses.

What International Humanitarian Law Actually Requires, and of Whom

International humanitarian law, codified primarily in the Geneva Conventions and their Additional Protocols, prohibits deliberate attacks on civilians and humanitarian workers. It requires parties to a conflict to distinguish between combatants and non-combatants, to take precautions to minimise civilian harm, and to treat humanitarian operations as protected activities. These obligations bind states and, increasingly under customary international law, non-state armed groups.

Private sector actors are not directly bound in the same way, but the picture is more complicated than that simple statement suggests. Companies operating in conflict zones, supplying dual-use technology, or contracting with parties to a conflict face growing exposure under national implementing legislation, UN sanctions regimes, export control law, and the emerging business and human rights framework anchored in the UN Guiding Principles. A company that knowingly supplies drone components used in unlawful strikes is unlikely to find shelter behind the argument that IHL only binds states.

The Specific Contract Clauses That Need Reviewing

For GCs, the practical question is which contractual provisions are most exposed when drone use escalates in an active conflict zone. Four categories deserve immediate attention.

Force majeure and material adverse change clauses. Many standard force majeure clauses list conventional armed conflict but are silent on drone campaigns that disrupt logistics corridors, disable infrastructure, or make territory inaccessible without crossing a formal threshold of "war." Drone strikes on civilian infrastructure increasingly create conditions that trigger operational impossibility without triggering the clause as drafted.

Humanitarian and NGO subcontracts. Aid organisations contracting with logistics providers, vehicle suppliers, and fuel companies typically include humanitarian principles clauses and require counterparties to operate consistently with IHL. As drone risk intensifies, these clauses are being interpreted more strictly, and counterparties are being asked to demonstrate active risk-mitigation protocols rather than simply attest compliance.

Insurance and war risk coverage. War risk exclusions in cargo, property, and liability policies are drafted with traditional kinetic conflict in mind. Drone attacks on civilian infrastructure occupy ambiguous territory that insurers and policyholders are now litigating. GCs should review their policies and their underlying contracts to ensure that drone-related losses are not silently excluded.

Technology supply and dual-use agreements. Export control compliance clauses need to address the specific risk that drone components or software could be diverted to uses that violate IHL. End-user certificates alone are no longer sufficient due diligence in high-risk jurisdictions.

Jurisdiction-by-Jurisdiction Considerations

The legal implications of drone warfare are not uniform across jurisdictions, and that matters for contract drafting strategy.

In the United Kingdom, the Export Control Joint Unit applies a strict risk-based test that includes the likelihood of IHL violations by the end user. Post-Ukraine, that assessment is receiving renewed scrutiny from regulators and from the courts in judicial review proceedings.

In the United States, the Arms Export Control Act and International Traffic in Arms Regulations impose stringent controls on drone-related technology, and the State Department has issued specific guidance on Ukraine-related dual-use goods. US-law contracts with technology suppliers should include representations that goods will not be redirected to parties implicated in IHL violations.

Across the European Union, member states apply the EU Common Position on arms exports, which expressly requires consideration of IHL compliance. EU-based companies face reputational and regulatory risk if their supply chains are connected to unlawful strikes, even indirectly.

For companies operating under multiple legal systems, an AI contract management platform that reads agreements from the company's own perspective and flags jurisdiction-specific risk is no longer a luxury. It is the most practical way to identify exposure across a large contract portfolio without deploying an unmanageable amount of legal resource.

What GCs Should Do in the Next 90 Days

The immediate priority is a targeted audit of contracts that touch conflict-affected regions or involve dual-use technology. The audit should ask four questions: does the force majeure clause cover drone-related disruption? Does the war risk allocation match the company's actual insurance coverage? Are IHL compliance representations current and verifiable? And are termination rights calibrated to the speed at which drone campaigns can change the operational environment?

Beyond the audit, GCs should engage their insurance brokers on war risk policy wording, brief their procurement teams on end-user due diligence, and document the legal reasoning behind any decision to continue or exit operations in affected areas. In an environment where IHL compliance is attracting regulatory, judicial, and public scrutiny, the documentation trail is itself a risk-management asset.

The UN's warning about drone warfare is a marker. The legal and contractual consequences of ignoring it will compound over the next conflict cycle, not just the current one.