Sierra Nevada begins flight testing USAF E-4C Survivable Airborne Operations Center

Sierra Nevada Corporation has begun flight testing the U.S. Air Force’s new E-4C Survivable Airborne Operations Center (SAOC), the prime contractor said. The program’s first developmental sortie occurred on 7 August as the ‘Doomsday’ airborne command post enters initial flight trials.

Discovered 2025-09-03T13:47:58.148467-07:00 | 2025-09-03T13:47:58.148467-07:00

Briefing

What Hype is tracking

  • The program moved from ground integration to airborne testing with its inaugural sortie on 7 August, advancing fielding of the USAF’s survivable airborne command post and its continuity-of-government role; see context on the E-4 family’s mission here.
  • Sierra Nevada is the prime contractor conducting the flight-test campaign, underscoring the company’s expanding operational role in USAF programmes alongside other recent SNC activities here.

Reported By

Aviation A2Z aerobuzz.fr energy-reporters.com defence-industry.eu worldwarwings.com news.defcros.com
Sources Tracked
16
First Seen
2025-09-03T13:47:58.148467-07:00
Latest Update
2025-09-10T05:23:53.255106-07:00
Coverage
Defense

Sources

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