NASA's X-59 'quiet' supersonic jet test fires engine for 1st time

A white jet sits in a hangar in the desert.

NASA's revolutionary X-59 jet is steadily progressing towards its first flight test.

Starting on Oct. 30, engineers with NASA's X-59 Quesst program (Quiet SuperSonic Technology) have been conducting test runs of the jet's engines at the storied Lockheed Martin Skunk Works facility in Palmdale, California.