The U.S. Air Force’s next-generation Survivable Airborne Operations Center, a converted Boeing 747-8, is progressing through extensive flight and ground testing to replace the aging E-4B fleet.

A Boeing 747-8 that once ferried Qatari royalty in a custom luxury cabin is now flying test missions under U.S. Air Force ...

Inside the massive testing hangars across Seattle and Everett, the world's biggest jetliners are turned into mechanical lab rats. Hydraulic actuators yank their wings skyward, compressors simulate ...

General Electric is transporting a revised configuration GEnx-2B engine to Victorville, Calif., for final flight tests on the company’s 747 flying testbed as Boeing builds up toward first flight of ...