On a fine day in early June, Ukrainian soldiers launched their latest killer robot. With a click on a screen, the unattractively named Gogol-M, a fixed-wing aerial drone with a 20-foot wingspan, took off from an undisclosed location and soared into a wide blue sky.
Ukrainian special operators needed a minute to get the hang of M4 carbines when they traded their classic Soviet-era rifles for the American weapon, a Ranger recently told Business Insider. A lack of ammo didn't help.