Russia's losses of Su-57s At the same time, Russia's air force lost two Su-57s — one test model ... of scale kick in," the ...

Russia’s defense industry still plans for the first large-scale deliveries of the Su-57 in serial configuration next year. The first Su-57 aircraft in serial configuration will be delivered to ...

A Russian Su-57 Felon next-generation fighter sharing the tarmac with a U.S.-made F-35 stealth fighter is a truly unusual ...