Nearly three months into their counteroffensive, the Ukrainian army has finally found a way to breach the first line of Russian defence. Ukraine has moved through minefields, ‘dragon’s teeth’ defences and swarms of drones. They have retaken the village of Robotyne which lies on the highway to Tokmak, the next objective on the way to Melitopol (one of the main Ukrainian targets for blocking the land corridor to Crimea).