"Secretary of State Pompeo made it clear to Foreign Minister (of Turkey. -

RT

) Cavusoglu that the purchase of the S-400 systems endangers the security of US military personnel and military technology, and also provides Russia with access to the Turkish armed forces and its defense industry," message.

The text of the statement clarifies that the purpose of the sanctions against Turkey is "to prevent Russia from gaining income, access and influence."

The ministry stressed that the restrictive measures "are not intended to undermine the military potential of Turkey or any other US ally or partner."

Earlier, the United States imposed sanctions on Turkey due to Ankara's acquisition of Russian S-400 anti-aircraft missile systems. 

Turkey condemned the US decision and said they would take retaliatory steps.