President Donald Trump has expressed frustration about delays of the specially-outfitted pair of 747s that will serve as the next Air Force One aircraft. Boeing CEO Kelly Ortberg has said the company is working with Trump's advisor Elon Musk to deliver the aircraft faster.

By Allison Lampert, Abhijith Ganapavaram and David Shepardson (Reuters) - Boeing CEO Kelly Ortberg on Thursday said Elon Musk, the head of its space business rival SpaceX, is "helping us a lot" in navigating through delays in delivering Boeing's Air Force One presidential jet.

Boeing Co.'s chief executive officer said Elon Musk is helping the planemaker work through bottlenecks that have caused Air Force One jets to fall years behind schedule.