The United States is grappling with a shortage of maintenance workers in the aviation industry, with baby boomers retiring and others changing jobs during the pandemic.

This comes as the global fleet of commercial aircraft is set to balloon a third by 2034, involving more than 36,400 vessels, according to a recent study by consulting firm Oliver Wyman.

In its wake, spending in the maintenance, repair and overhaul market is projected to grow almost 20% by 2034.