A U.S. Navy Boeing E-6B aircraft, often called a “Doomsday plane” for its role in nuclear command and control, was spotted flying at low altitude over California’s Central Valley this week.

The ominous “Doomsday” plane has been spotted flying over California — for the second time in two months. The huge Boeing E-6B Mercury, which is the president’s emergency operations hub if nuclear war ...

The Boeing E-6B Mercury is capable of launching ballistic missiles on land.

On Monday night, a convoy of low-flying helicopters tore across San Antonio and into the Hill Country, rattling windows and ...

MISSOURI – If you spot a low-flying plane sweeping across Missouri or Illinois in the upcoming weeks or months, don’t be alarmed. It’s part of a major federal geological project launching this month.

Iranian fighter planes flying just 80 feet above ground came within minutes of hitting the U.S. military’s largest base in ...

There has been a "flattening of the earth" by new radar and missile technology, a Royal Air Force official said. The long-running assumption that ultralow flying would prevent detection is "obsolete," ...

Five Apache choppers were parked at a Houston-area airport on Wednesday morning, and there's a reason they're there.