As in damaging the chances of Russia going all-in on the Su-57?...
Erdogan: "Turkey did not ask anyone permission when buying the Russian S-400 missile system nor will not do so if it decides to acquire Russian fighter jets"
Moscow may also help Ankara create its own TF-X fifth-generation fighter
The US said that Turkey's purchase of the Russian S-400 air defence systems makes it impossible for Ankara to be in the F-35 fighter jet program
The Turkish top diplomat gave an interview to Russian news agency Sputnik
If Russia somehow cracks the code of detecting stealth-shaped fighters, the US's F-35, the most expensive weapons system in history, is cooked