US State Department's spokesperson Heather Nauert said during briefing that Washington was against a possible purchase of Russian S-400 air defense systems by its allies around the world.
20 August 2018, 06:15 GMT
Previously, Russia and Turkey signed a loan agreement on the sale of the S-400s to Ankara, causing a backlash from the US that threatened to impose sanctions against if Turkey proceeded with the agreement.
READ MORE: S-400 Missile Systems Tested in Kamchatka
Turkish Defense Minister Nurettin Canikli then responded to Washington's threats by warning US against preventing the new F-35 jets from being shipped in accordance with their contract unless it abandons its agreement with Russia on the S-400 delivery, calling Washington's threats a "blackmail."
