"Last year, by some estimates, Ukraine’s factories turned out more than three million drones...."

"The drones that I examined were remarkably simple: a lightweight square frame, four propellers, a video camera, a battery-powered motor, and room for a bomb. The attack drones, known as F.P.V.s, for 'first-person view,' are guided by an operator watching a video screen that shows what the drone is seeing; other members of the unit monitor feeds from reconnaissance drones.... The Russians are terrorizing the Ukrainians with drone attacks of their own. Towns and hamlets have been largely pulverized along the front lines and for miles beyond; even American air defenses are mostly useless, because setting them up invites an immediate Russian attack. Iranian-made Shahed drones, capable of carrying large warheads long distances, have pummelled Kyiv and other cities with hundreds of strikes. Under the constant threat of attack, the Ukrainians have found it difficult to supply their front lines, and evacuation is sometimes impossible. The prevalence of drones appears to have given the advantage to the defense. Along the seven-hundred-mile front, soldiers on both sides are huddled in fortified trenches, separated by a no man’s land known as the 'gray zone.' With drones circling day and night, surprise attack is impossible, movement suicidal. If soldiers venture out, they are attacked immediately by drones or artillery...."

Writes Dexter Filkins, in "Is the U.S. Ready for the Next War With global conflicts increasingly shaped by drones and A.I., the American military risks losing its dominance" (The New Yorker).