COLORADO SPRINGS—Lockheed Martin and NASA are poised to fire up the engine powering the X-59 low-boom demonstrator for the first time. The start of powered runs of the X-59’s single GE Aerospace F414 ...

The X-59 has begun engine runs at Lockheed Martin’s Skunk Works in Palmdale, California. Credit: NASA After long delays caused by technical issues, NASA has begun engine runs on the Lockheed Martin ...