According to him, the supply of the newest fifth generation fighter aircraft to Ankara is prohibited. The main reasons for the adoption of such a document are Turkey's plans to acquire Russian anti-aircraft missile systems S-400 and attempts to expand relations with Russia. According to US senators, this undermines NATO security. Another reason for Turkey's refusal to design a fighter is the retention of US citizen Andrew Brunson. This measure can delay the sale of 100 aircraft worth about $ 10 billion, writes The Financial Times. This draft defense budget is one of two that is under consideration by US lawmakers. The second document has already been approved by the lower chamber. Subsequently, both bills will be consolidated into one, and it will be put to a final vote. Turkey in the creation of the F-35 with eight more countries. Deliveries of the newest fighter aircraft of the fifth generation of Ankara were to begin this year. Earlier, Nurettin Janikli, the Minister of National Defense of Turkey, accused America of blackmail because of Washington's demand for Ankara to abandon Russian SAMs to receive F-35 fighters. At the same time, part of the money for planes - $ 800 million - has already been transferred to the US, he said.. Prior to this, Turkish President Recep Tayyip Erdogan said that his country will acquire the S-400 and will not make any concessions on this issue. The financial year 2019 in the United States will start from October 1, notes the channel "360".