It’s been a bumper week for deadly drone innovation, with Ukraine’s Armed Forces revealing two new developments in the technological field that continues to redefine the boundaries of modern warfare. The first emerged on Sept. 2, when videos began circulating on social media of a drone spraying what appeared to be fiery, white-hot metal on a treeline in an undisclosed part of the battlefield. No troops are visible in the video. On Sept. 4, Ukraine’s Defense Ministry confirmed its forces were behind the so-called “dragon drones,” and since then, more videos have surfaced. It’s not been confirme…