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Comments Off on US Air Force begins flight tests for next-generation E-4C SAOC ‘Doomsday Plane’ 0

US Air Force begins flight tests for next-generation E-4C SAOC ‘Doomsday Plane’
News, US September 6, 2025 , by IRIA
The U.S. Air Force and Sierra Nevada Corp. have started flight tests of the next-generation E-4C Survivable
Comments Off on US aerospace firm Sierra Nevada secure $13 billion contract to build “Doomsday Plane” 0

US aerospace firm Sierra Nevada secure $13 billion contract to build “Doomsday Plane”
News, US May 1, 2024 , by IRIA
The U.S. Air Force announced that it had granted a $13 billion contract to aerospace engineering firm,

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