H OW DO YOU stop an attack drone from delivering its payload? Loitering munitions, which are single-use bomber drones, have been deployed to lethal effect by both Russia and Ukraine throughout the war. They are cheap and nimble. As well as military-grade models, both sides are loading commercial racing drones with grenades. Customised drones like these can be produced rapidly by the hundreds. Defenders can try to jam the signals of incoming enemy craft. They can shoot them down or knock them from the skies with other drones. But sometimes the best defence is also the simplest. Both Russia and Ukraine are using nets to protect their positions. Can mesh really protect against flying bombs?
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