New contract for production and delivery to Ankara, Russian air defense systems s-400 involves the joint production and technology transfer, the source said Fins news in the defense industry of Turkey. head of the Department said that the agreement with Russia consists of 2 parts. 1st regimental kit already set in Turkey, currently training in April, the complex will stand on combat duty. They entered the Turkey is fully manufactured in Russia. According to a source, the dialogues ongoing in relation to joint ventures relate to the 2nd set of C-400. Russia in 2019 has fulfilled the contract on production and delivery of Turkey 4 battalions of s-400 in the amount of 2, 5 billion. The contract also implies an option for another regimental kit. The delivery of s-400 has caused a crisis in Turkey's relations with the United States. Washington has sought to cancel the contract and purchase the American Patriot, threatening to delay or even cancel the sale of Turkey's newest F-35 fighter, as well as penalties. Ankara did not want to make concessions. <span style="color:darkgray