President Donald Trump confirmed Tuesday that security officials secretly moved him off Air Force One following a NATO summit in Turkey last month, citing a security threat identified by U.S. intelligence. Iran Threat: Donald Trump Secretly Flew From NATO Summit on Alternate Jet Over Assassination Fear. Trump publicly boarded the legacy Boeing 747-8 presidential aircraft in view of news cameras. Air Force One Carrying Donald Trump Forced Back After ‘Electrical Issue’ Disrupts Davos WEF Trip. U.S. intelligence agencies flagged potential targeting of the presidential aircraft, prompting precautions from the Secret Service and the Department of Defense.