Russia and Turkey are working on a contract for the delivery of a new batch of Russian S-400 missile systems, the Interfax news agency cited a senior official at a Russian military cooperation agency as saying on Friday. Such a deal would be likely to further strain Ankara’s relations with Washington which has suspended Turkey from the U.S. F-35 stealth fighter jet program, in which it was a producer and buyer, to penalize it for buying S-400 batteries this year. The official, Dmitry Shugaev, said he thought there was a “fairly high likelihood” Turkey and Russia would sign a contract for the delivery of an additional batch of S-400s next year.
