L3Harris to Integrate Comms for US Air Force’s $13B Doomsday Program

Published on December 20, 2025

L3Harris Technologies has signed a subcontract to deliver support services for the US Air Force’s Survivable Airborne Operations Center (SAOC) program.

Led by Sierra Nevada Corporation (SNC), SAOC replaces the service’s 1980s-era E-4B Nightwatch planes, a militarized version of the Boeing 747-200, in their roles to maintain command, control, and communications between top US officials in the event of a national emergency or nuclear fallout.

Resulting systems from the $13-billion program will be designated as the E-4C “Doomsday” aircraft based on the Boeing 747-8i Intercontinental commercial airliners, slated for completion through 2036.

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