Despite US warnings, Russian S-400 systems land in Turkey

The first shipment of a Russian missile defense system has arrived in Turkey, the Turkish Defense Ministry said Friday, moving the country closer to possible U.S. sanctions and a new standoff with Washington.A Defense Ministry statement said "the first group of equipment" of the S-400 air defense systems has reached the Murted Air Base near the capital, Ankara.The U.S. has strongly urged NATO member Turkey to pull back from the deal — reportedly costing more than $2 billion — warning