Russian officials said the team to support the S-400 system in Turkey still worked as planned and was not required to return to the country.

The repatriation of the Russian technical expert team is working in Turkey related to the S-400 contracts will be carried out in accordance with the approved plans before, a Military Technical Cooperation Agency

The speech was given a few days after Secretary of State Mevlut Cavusoglu announced Turkey to return the Russian expert to the country, it seemed to appease Washington before the Turkish President Recep Tayyip Erdogan met the US Dong Joe Biden party

S-400 system component transferred to Ankara in August 2019.

The S-400 system will be completely controlled by us.

The presence of Russian military professionals was implemented to install the S-400 system and train Turkish manpower as one of the major American concerns, when Washington said that Moskva's forces can continue

Turkey ordered two Russian S-400 missile systems worth $ 2.5 billion in December 2017.

America repeatedly opposes the contract, thinking that the S-400 is not compatible with the NATO defense system and threatens the F-35 stealth injection.

The former government of US President Donald Trump later last year imposed on embargo on the General Department of Defense Industry (SSB) of the Turkish Government under the Act of US Opponents through embargo.