Korean Air has announced the sale of five Boeing 747-8 jets to Sierra Nevada Corporation, a U.S. aerospace firm. The private firm specializes in converting Boeing 747s into presidential aircraft. This news comes amidst Sierra Nevada’s recent acquisition of a $13 billion contract from the U.S. Air Force to develop a successor to the E-4B Nightwatch aircraft. The E-4B, nicknamed the “Doomsday Plane,” is a heavily modified Boeing 747-200 that serves as a flying command center during emergencies and wartime … Continue reading Korean Air Sells Five Boeing 747-8s for Possible USAF Conversion