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, Nevada-based company inked a deal with Korean Air to buy five 747-8 planes,

Sierra Nevada Corp. has won a $13 billion contract to develop a successor to the “Doomsday Plane,” the E-4B command and control aircraft on which the president would fly in in event of national emergency such as a nuclear attack,

The E-4 is the President’s survivable, mobile command post in the event of a nuclear war or other serious conflict. The USAF has a $13B contract for a new one.

The U.S. Air Force said on Friday that it has awarded a $13 billion contract to Sierra Nevada Corp to develop a successor to the E-4B, known as the Doomsday plane due to its ability to survive a nuclear war.

The E-4B is designed as a mobile command post capable of withstanding nuclear blasts and electromagnetic effects, allowing U.S. leaders to deliver orders to the military in the event of a national emergency.

The win is a major victory for the firm in a competition that saw the surprise elimination of aerospace giant Boeing.

A Denver-area defense business won a contract Friday worth up to $13 billion to supply the U.S. Air Force with “doomsday” planes to serve as an airborne military command-and-c

Sierra Nevada Corporation has been awarded a monumental $13 billion contract to develop and produce the new Survivable Airborne Operations .