Ukraine has converted another sports plane into a long-range strike drone. Fragments of one of them were found in Russia over 600 miles (965 km) from the Russian-Ukrainian border, according to Forbes. Forbes featured a photo from Russian propagandist Kirill Fedorov showing a homemade drone that crashed in a Russian field. The glider is an adaptation of the Nynja drone, which can be purchased from the Kyiv-based company Aerosor or as a kit that the buyer assembles at home. The drone can travel 400 miles at a cruising speed of around 100 miles per hour with a payload of several hundred kilograms…