Sierra Nevada Corporation Will Build E-4B ‘Doomsday’ Plane Replacement
The new commercial derivative aircraft will replace the 1970s’ E-4B Nightwatch in the National Emergency Airborne Command Post role.
Sierra Nevada Corporation has been awarded a contract, worth more than USD 13 billion, for the Survivable Airborne Operations Center (SAOC), the replacement for the U.S. Air Force E-4B Nightwatch, also known as the “Doomsday” plane.
Details are currently scarce, limited only to the ones divulged in the contract notice.
![](https://i0.wp.com/theaviationist.com/wp-content/uploads/2024/04/Survivable_Airborne_Operations_Center_Contract_1.jpg?resize=678%2C381&ssl=1)
Source:
https://theaviationist.com/2024/04/27/sierra-nevada-saoc-announcement/