U.S.-Turkey have soured after Turkey purchased a Russian missile defense system, the deliveries of were made on Friday. The USA had warned Turkey not to buy the S-400 missile defense from Russia. The USA and Turkey are allies in NATO - a defense created to counter any military by Russia. NATO consists of 29 North American and European . The USA has the biggest military in NATO. Turkey has recently been establishing closer with Russia. This has caused security concerns for the USA.
The U.S. warned Turkey it would face sanctions if it installed the S-400 system. It also said Turkey would not be of the USA's high-tech F-35 fighter jet . The U.S. wants Turkey to buy its Patriot missile defense system. U.S. say the Russian system is with NATO systems and would risk F-35 fighter jets to Russian trickery. Turkey has no to integrate the S-400 with NATO systems and says it would pose no to NATO. Turkey said the of the S-400 did not mean it is seeking "" in its relations with the West.