The Turkish Bayraktar TB2 drones, which helped Ukraine achieve military success at the beginning of the war, are not as efficient now since the Russian forces have strengthened their air defence. Source: Colonel Volodymyr Valiukh, commander in the Defence Intelligence of Ukraine, in an interview with Defence News Quote: "For the TB2, I don't want to use the word useless, but it is hard to find situations where to use them… We are extremely grateful for the TB2s, but at the beginning of the war t