Russia is Firing Off a New A-Grade S-400 Air Defense The Russian Central Military District announced that it had conducted a live-fire of the S-400 “Triumf” Kris Osborn · October 21, 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.