From tiny quadcopters buzzing over frontline trenches with cameras and grenades to flying bombs lugging warheads weighing dozens of kilograms (pounds) into Kyiv and Moscow, drones have marked the Ukraine war like none before it. In recent months, invading Russian troops have sent waves of Iranian-made Shahed explosive drones at Kyiv and other major cities, while Ukraine has launched unmanned attacks of its own in Crimea and Russian border region Belgorod. The Russian government even accused Ukraine on Tuesday of attacking Moscow with such devices. Today's picture is a far cry from the hype surrounding Turkish-made Bayraktar TB2 drones in…