According to the news agency TASS, it was explained that there was no decision on the transfer of technology in the S-400 deal between Russia and Turkey. Speaking to Sputnik, The Centre for Analysis of World Arms Trade Director Korotchenko said that providing information about air defence system technology can only come up in the context of future agreements.

“This process requires time, preparation of Turkey industry, a process that requires trained team of engineers and technologists. There is nothing that cannot be here, it's a matter of commercial agreement between Russia and Turkey. “he said.