🚨 BREAKING: NASA’s X-59 supersonic jet, built with Lockheed Martin Skunk Works®, completes first test flight from Air Force Plant 42, Palmdale, California.
— Defence Index (@Defence_Index) October 28, 2025
Cruises at Mach 1.42 (925 mph) at 55,000 ft
Designed for a quiet “sonic thump” instead of a boom
Features long fuselage,… https://t.co/H61tPLpJca pic.twitter.com/CLgdYo2oRc