This week’s defence AI landscape is defined by two converging pressures: accelerating autonomy — with the US fast-tracking revisions to its core autonomous weapons directive, its drone swarm programme, and AI-enabled drones rewriting battlefield outcomes — and a sharpening governance crisis, as legislators, intelligence chiefs, and EU regulators all warn that policy is dangerously lagging technology. UK and European voices are increasingly prominent, with NCSC and GCHQ issuing stark new risk warnings and the EU’s AI Act transparency rules set to hit in August.
Top story: Senator Gallego demanded Pentagon answers by 26 June on how a rushed 90-day rewrite of the US autonomous weapons directive will prevent friendly fire and civilian harm — the sharpest congressional challenge yet to Trump’s AI war-fighting push.
Senator Demands Pentagon Answer for Rushed Autonomous Weapons Rewrite
DefenseScoop · Regulation
Senator Ruben Gallego sent a formal letter to Defence Secretary Hegseth demanding answers by 26 June on how a 90-day rewrite of DoD Directive 3000.09 — the US military’s core autonomous weapons policy, mandated by Trump’s NSPM-11 — will prevent friendly fire incidents, protect allied civilians, and preserve meaningful human control over lethal AI systems. Gallego warned that compressing testing timelines and relaxing safeguards risks ‘devastating consequences’ for US troops and partner nations. The challenge marks the most direct congressional pushback yet on the Trump administration’s drive to accelerate autonomous warfare, and sets up a critical accountability moment for Pentagon AI governance.
CSIS: Software — Not Drones — Will Decide the Next War
Center for Strategic and International Studies (CSIS) · Strategy
A major new CSIS analysis argues that America’s focus on procuring drones misses the decisive factor: the autonomy orchestration software that coordinates them. The paper calls out NSPM-11’s mandate to update Directive 3000.09 as meaningful only if the definition of ‘autonomous weapon system’ is redrawn around the AI software making targeting decisions — not just the munition that delivers the strike. It positions the newly created Defence Autonomous Warfare Group (DAWG), with its $54 billion FY27 budget request, as the best institutional vehicle to deliver that software layer at scale, but warns that without architectural clarity the US risks losing its autonomy edge to China and Ukraine-proven adversaries.
https://www.csis.org/analysis/defining-autonomy-why-software-not-drones-will-decide-next-war
AI-Enabled Drones Now Account for 96% of Russian Battlefield Casualties
Vision of Humanity · Strategy
A new analytical report drawing on conflict data reveals that in March 2026, drones accounted for 96% of Russia’s 35,551 battlefield casualties — with nearly 10,000 AI-enabled Ukrainian drones achieving strike accuracies three to four times higher than human-piloted systems. The data underscores how AI autonomy has shifted from experimentation to primary weapon of war in under four years, with Ukraine explicitly targeting full battlefield automation. The findings are driving procurement urgency across NATO allies: the UK has pledged over £140 million for drone and anti-drone capabilities, while the US Pentagon’s FY2026 budget includes $13.4 billion specifically for AI-facilitated autonomous systems.
https://www.visionofhumanity.org/how-ai-is-rewriting-the-rules-of-modern-warfare/