Take a look inside the top-secret aircraft. The E-4B "Nightwatch" is a militarized version of a Boeing 747-200. The US Air Force's fleet of four E-4Bs comprises the National Airborne Operations Center ...
Two out of the four Boeing E-4B "doomsday" aircraft in active service were damaged on Jun. 16, in addition to eight other planes at the base. Officials told NBC News that the two remaining ...