Social media footage shows the aircraft’s engine on fire as it made its way ... “FedEx Flight 3609 safely returned to Newark Liberty International Airport around 8 a.m. local time on Saturday ...

had shipped a prototype to the War Department’s Airplane Engineering Division at McCook Field for adaptation to a Liberty 12 aircraft engine. It was a teenage marriage: an untried turbocharger ...

the MC-12 Liberty is the U.S. Air Force’s newest manned surveillance aircraft to support joint commanders in combat environments. The MC-12W is a medium- to low-altitude, twin-engine turboprop ...