Al Jazeera: Russia deploys advanced air defence system to CrimeaBy Al Jazeera. Published Aug. 13, 2016 at 3:36 pm S-400 air defence missile systems roll at the Red Square during the Victory Day military parade general rehearsal in Moscow on May 7, 2016. Photo by AFPRussia says it has deployed long-range S-400 missile systems in Crimea amid heightened tensions with Ukraine.Read more here