Is Russia’s Su-57 Stealth Fighter Ready for Major War? Russia’s Su-57 Stealth Fighter Has Seen Action But Is Not Ready for Major War Kris Osborn · January 31, 2020 Please leave this field emptyStay Updated with Warrior Maven Subscribe for daily military news and updates delivered straight to your inbox. We don’t spam! Read our privacy policy for more info. Check your inbox or spam folder to confirm your subscription.