* https://en.wikipedia.org/wiki/Boeing_E-4 https://en.wikipedia.org/wiki/Boeing_E-4 A program for a replacement is in-progress: * https://en.wikipedia.org/wik

* https://en.wikipedia.org/wiki/Boeing_E-4 https://en.wikipedia.org/wiki/Boeing_E-4 A program for a replacement is in-progress: * https://en.wikipedia.org/wiki/Survivable_Airborne_Operations_Center https://en.wikipedia.org/wiki/Survivable_Airborne_Operations... Russia also has an airborne command plane: * https://en.wikipedia.org/wiki/Ilyushin_Il-80 https://en.wikipedia.org/wiki/Ilyushin_Il-80