Sierra Nevada Corporation secures $13B contract to upgrade USAF's E-4B "Doomsday" fleet with Survivable Airborne Operations Center, bolstering national defense capabilities. Read this story
Sierra Nevada Corporation secures $13B contract to upgrade USAF's E-4B "Doomsday" fleet with Survivable Airborne Operations Center, bolstering national defense capabilities. Read this story
More from Tech Times | US Air Force Nightwatch Doomsday Aircraft sierra nevada wins 13b contract upgrade us air force fleet new doomsday nightwatch planes Tech