| Drones buzz overhead, troops hunker underground in Ukraine's hellish kill zone The front line in the Russia-Ukraine war stretches more than 700 miles and has barely moved in four years. Yet straddling this line is the kill zone, dominated by constantly evolving drone technology. (Image credit: Andriy Andriyenko/Ukrainian 65th Mechanized brigade) |
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At www.npr.org from NPR
At www.npr.org from NPR
