A year after Boeing Co. slogged through a deep executive shakeup and prolonged existential crisis, the US planemaker just landed its biggest-ever aircraft order, propelled by a powerful endorsement from President Donald Trump.

With US president Donald Trump watching, the chief executives of Boeing and Qatar Airways signed a deal under which the Doha-based airline will purchase as many as 210 Boeing 787 and 777X widebody jets.

Qatar Airways has ordered up to 210 Boeing aircraft, in a deal announced by the White House as part of President Trump’s Middle East tour.