Trump returned from the NATO summit in Turkey aboard the older Air Force One instead of the newly retrofitted Qatari-gifted jet, making a surprise aircraft switch as the US and Iran resumed exchanging strikes. President Donald Trump flew back from the NATO summit in Turkey aboard an older Air Force One aircraft instead of the newly retrofitted Boeing 747-800 gifted by Qatar, a last-minute switch that has reignited questions over the interim jet's security ... [4126 chars]