An Iranian assassination threat against President Donald Trump prompted an extraordinary operation last month in which he flew secretly from Turkey on an alternate military aircraft while the White House said he was aboard Air Force One.

The White House said the president was aboard Air Force One as he left a NATO summit. Instead, his departure included an elaborate ruse that concealed his travel.

The White House said the president was aboard Air Force One as he left a NATO summit. Instead, his departure included an elaborate ruse that concealed his travel.