Pentagon chief appears with new Sierra Nevada E-4C ‘Doomsday’ jet

<p>Pete Hegseth described the Survivable Airborne Operations Center as one of Washington’s ‘most vital assets’. US defence chief Pete Hegseth has made an appearance with one of the US Air Force’s new E-4C Survivable Airborne Operations Center (SAOC) jets, which are under development by contractor Sierra Nevada (SNC). Hegseth, who styles himself as the secretary…</p> <p>The post <a href="https://www.flightglobal.com/defence/2026/10/pentagon-chief-appears-with-new-sierra-nevada-e-4c-doomsday-jet/">Pentagon chief appears with new Sierra Nevada E-4C ‘Doomsday’ jet</a> first appeared on <a href="https://www.flightglobal.com">FlightGlobal</a>.</p>