• S-400 air defense system
  • Combat hardware exhibition at the opening of the Army-2015 International Military-Technical Forum at the new congress and exhibition center in Patriot Park in Kubinka in the Moscow suburbs. File photo
  • S-300 anti-aircraft missile system during the Keys to the Sky international competition held as part of the International Army Games - 2016 at the Ashuluk training ground
  • Combat hardware exhibition at the opening of the Army-2015 International Military-Technical Forum at the new congress and exhibition center in Patriot Park in Kubinka in the Moscow suburbs. File photo
  • Combat hardware exhibition at the opening of the Army-2015 International Military-Technical Forum at the new congress and exhibition center in Patriot Park in Kubinka in the Moscow suburbs. File photo
  • A file photo showing Russian servicemen equip an Iskander tactical missile system at the Army-2015 international military-technical forum in Kubinka, outside Moscow, Russia, June 17, 2015