در داخل "منطقه کشتار" اوکراین، جایی که سربازان در عصر جدید جنگ با هواپیماهای بدون سرنشین ازدحام روبرو می شوند

Inside Ukraine's 'Kill Zone' where soldiers face swarming drones in new age of war

The 'Kill Zone' runs along the 750-mile front between Ukraine and Russia and is about 20 miles wide. It's likely one of the deadliest places on earth right now, as swarms of new high-tech drones act as killing machines. NBC News' Richard Engel talks to Ukrainian soldiers fighting to survive in this new era of warfare.