Trump's new Air Force One has had a rough journey of security concerns and operational mishaps. Here's a complete timeline.

President Donald Trump's new Air Force One, a VC-25B Bridge.SAUL LOEB/AFP via Getty Images ; Brendan SMIALOWSKI/AFP via Getty ImagesPresident Donald Trump's new Air Force One, a VC-25B Bridge, entered service in July.The jet, gifted by Qatari royals, has sparked security concerns and experienced operational mishaps.On Wednesday, the new Air Force One's emergency slide was accidentally deployed on the tarmac.When an emergency slide on Trump's new Air Force One deployed on the tarmac at Joint Base