Moscow spent days accusing Kyiv of not wanting to collect the bodies that it alleged had been waiting in refrigerated trucks near the border since Saturday.
Russia and Ukraine each accused the other on Saturday of endangering plans to swap 6,000 bodies of soldiers killed in action, which was agreed upon during direct talks in Istanbul.
Air defence systems are built on the assumption that threats come from beyond national borders. Operation “Spider Web” exposed what happens when countries are attacked from within.