Ukraine's drone operators can now fight from hundreds of miles away. Support troops still have to risk getting near the front.

New technology is allowing Ukraine's drone operators to pilot drones hundreds or thousands of miles from the front lines, but for now at least, operations still need soldiers to set up the drones closer to the danger. Maks Muravsky/Global Images Ukraine via Getty Images Russia hunts drone pilots, so Ukraine is pulling them farther from the fighting with new technology. Ukraine can now fly some drones from greater relative safety, hundreds of miles from their launch sites. But support troops ...