By reshaping the balance between humans and technology on the battlefield, cheap drones are transforming warfare in Ukraine. Shashank Joshi, our defence editor, explains how. Sign up to our defence newsletter: https://econ.st/4dgzw67 How cheap drones are transforming warfare in Ukraine: https://econ.st/4eR1Ayr What are FPV drones?: https://econ.st/4hbUHcL