By some estimates, 60 to 70 percent of casualties in Ukraine now come from drones — cheap, disposable first-person view drones piloted from miles away. They dive into trenches, slip through windows, ...

It would be 14 years before investigators got their first break in the case and another 25 before they had a suspect.

For the time being, first-person view drones are unlikely to fully replace other weapons systems. No military leader is yet seriously advocating doing away with artillery completely in favor of ...