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Sierra Nevada Corp. won the $13 billion contract to build the Doomsday plane's replacement, SAOC, by 2036. Boeing may be involved in modifying a Boeing 747-8 for the new Doomsday plane despite ...
2025. Aerospace and defense company Sierra Nevada Corp. is buying five Korean Air jets just two weeks after it secured a multibillion-dollar contract from the U.S. Air Force. The Sparks ...