The press Secretary of the ruling Turkish party of justice and development Omer Celik said acquired Russian missile system s-400 will protect not only Turkey but also the EU and NATO. About it informs RIA "Novosti". He said that Ankara was forced to seek options to strengthen its air defense because the United States proposed rules for the procurement of Patriot SAMS for my son. The press-Secretary of the Party was subjected to a charge of NATO double standards. He said that Greece were able to buy Russian s-300 systems, while Ankara is facing obstacles trying to acquire s-400. He drew attention that Turkey is a sovereign state and will not allow anyone to impose upon her his opinion on the question of Russian air defense systems. The politician confirmed that s-400 will put Turkey in July this year. the dialogues between Turkey and Russia on the purchase of s-400 were launched in 2016. In 2017, Moscow agreed that the parties entered into the contract. At the same time, Erdogan said that Turkey has already made an advance for the Russian air defense systems. USA now are trying to prevent Turkey from acquiring s-400. So, Vice-President of the United States Mike Pence on Wednesday said that the agreement is of serious concern to the U.S. capital and is a danger to the unity of NATO. He tried to convince Ankara to make a choice: either to remain a key partner of the Commonwealth, or risk the safety of this partnership. In response, the head of Turkey Tayyip Erdogan said that the deal is closed. He said that North America had not given Ankara the same profitable rules on the acquisition of complex Patriot as Moscow. <span style="color:darkgray