Washington, July 25 -- US President Donald Trump switched from a newly inducted Boeing 747-8, gifted by Qatar, to the legacy Air Force One prior to departing Turkey earlier this month following intelligence inputs regarding a "credible threat" from Iranian proxy forces targeting him, media reports said.

The security development surfaced while Trump was attending the NATO summit in Ankara, according to The New York Times. Trump had arrived aboard the Qatari-donated aircraft, which currently lacks the advanced defensive systems integrated into the primary Air Force One fleet.

Citing sources familiar with the matter, The New York Times reported that the US Secret Service recommended switching aircraft before Trump departed from Turkey upon...