Shashank Joshi, our defence editor, looks at a pivotal weapon on the battlefield: the fibre-optic drone https://www.economist.com/europe/2026/05/11/the-war-room-newsletter-drones-are-rewiring-warfare-literally?taid=6a0208f9717bd400015ef77b&utm_campaign=trueanthem&utm_medium=social&utm_source=voante
