Sierra Nevada's first test flight of the Survivable Airborne Operations Center marks a major step in replacing the aging E-4B "Nightwatch" fleet introduced in the 1970s. The E-4C Survivable Airborne ...
A former Korean Airlines 747 at SNC’s Ohio facility. Credit: SNC SNC has begun test flights for the U.S. Air Force’s Survivable Airborne Operations Center (SAOC), about five months after it began work ...
A former Korean Airlines 747 at SNC’s Dayton, Ohio, facility. Credit: SNC photo Sierra Nevada Co. (SNC) on April 29 flew the fourth 747 to its Dayton, Ohio, facility as part of its U.S. Air Force ...