US may suspend training of Turkish pilots for F-35 jets over Russia missile deal

The United States is seriously considering suspending training for Turkish pilots on advanced F-35 fighter jets as Ankara moves ahead with plans to purchase a Russian missile defense system despite objections from Washington, sources told Reuters on Tuesday.
The two NATO allies have argued for months over Turkey's order for the Russian S-400 defenses, which Washington says are incompatible with the Western alliance's defense network and would pose a threat to American F-35 stealth fighters which Turkey also plans to buy.
The two sources, who are familiar with Turkey's role in the F-35 program and who spoke on condition of anonymity, said a final decision had not yet been made.
The deliberation follows signs that Turkey is moving ahead with the S-400 purchase. Defense Minister Hulusi Akar said on May 22 that Turkish military personnel were receiving training in Russia...