Russia’s first 5G fighter has showed off in full its ultra-maneuverability at an international air show near Moscow. In 2016 the Russian Air Force will get ready to put the first production models of the stealth fighter jet into service. The jet performed such aerobatic stunts as Pougachev’s cobra, Frolov’s chakra, the dead leaf and tail-dive. With a month left before the multirole PAK-FA...