The B-1 is the only supersonic bomber in America’s military arsenal. While it doesn’t carry nuclear weapons, it is still intensely lethal. We took a rare test flight.

The B-1 is powered by four engines that push out over 30,000 lbs. of thrust each. With such a high workload, they occasionally need maintenance. We got to watch a fiery test up close and personal.

The noise came from a B ... flight and had to climb to a higher altitude during the mission due to the weather, said Steven Merrill, a public affairs official from the Ellsworth Air Force Base ...