When asked, "Do you think NATO countries should shoot down Russian aircraft if they enter their airspace? When questioned about his current trust in Russian President Vladimir Putin, Trump replied, "I'll let you know in about a month." When asked, "Do you think NATO countries should shoot down Russian aircraft if they enter their airspace? On being questioned about his current trust in Russian President Vladimir Putin, Trump said, "I'll let you know in about a month." Russian President Vladimir Putin, however, had cautioned that he would not tolerate Western troops being stationed in Ukraine.