A Ukrainian military official said Russia's defensive lines have weak points. Russia constructed defensive lines known as "dragon's teeth" to protect its positions. He said the "dragon's teeth" defenses, in particular, had been easy to overcome. AdvertisementAdvertisementMaxar satellite imagery shows Russian "dragon's teeth" defenses and trenches along the beach just west of Yevpatoria, Crimea in March. Maxar TechnologiesIn the interview, Dyki also described the challenge faced by Ukrainian forces in breaking through Russia's three defensive lines.

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Persons: Dyki, Russia's, Tomak Organizations: Service, Aidar Battalion, Security Service, CNN, Maxar Technologies, Ukrainian, Russian, Tomak Locations: Russia, Ukraine, Wall, Silicon, Ukrainian, Tomak, Zaporizhzhya oblast, Yevpatoria, Crimea, Robotyne, Zaporizhzhya, Melitopol, Azov, Crimean