American is set to get a new fleet of 'doomsday planes' that some have said signal the nation could be preparing for World Ward III. The US Air Forced announced a $13 billion contract to develop craft to replace the aging Boeing planes that are used to protect the president during a nuclear attack. The funds were awarded to Sierra Nevada Corp, which will design a successor to the E-4B 'Nightwatch' that features a mobile command post capable of withstanding nuclear blasts and electromagnetic effects. The project, called Survival Airborne Operations Center, is expected to be completed by 2036. The...