(FILES) In this file photo taken on August 22, 2017 Russian S-400 anti-aircraft missile launching system is displayed at the exposition field in Kubinka Patriot Park outside Moscow during the first day of the International Military-Technical Forum Army-2017. - President Recep Tayyip Erdogan said on June 25, 2019 that NATO-member Turkey would take delivery of Russia's S-400 missile defence system in July -- a deal that has created tensions with the United States. (Photo by Alexander NEMENOV / AFP)