Unmanned aerial vehicle "Okhotnik" made the first joint flight with a fifth-generation fighter Su-57 - YouTube

Первый совместный полет БЛА «Охотник» и истребителя Су-57 - YouTube: 

First flight of Russia's heavy UAV Okhotnik planned for July or August

Russia’s Okhotnik attack drone to become prototype of sixth generation fighter — source

Russia unveils 20-ton sixth generation drone fighter (PHOTOS)