The Russian Defense Ministry said it was an accident, and that the drones were never intended to enter Poland. While Russian drones have strayed into Polish territory before – seven in total, in more than three years – experts say this is different. Nearly two dozen drones flew into Poland in a single event, traveling as far as a hundred miles into the country. And NATO says it is investigating whether the Russian drones were deliberately sent into Poland, while planning to bolster its air defense and detection systems. said after the Russian drones flew into Poland.