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Five B-21 test aircraft now in production, Air Force says
Boeing reports loss as Air Force One work drags
Air Force One debacle: Boeing has now lost more than $1 billion on each of the president's two new jets
What airplanes never went into production? - Quora
Boeing losses mount on troubled Air Force One program
Disaster narrowly averted at Offutt with plane fire, but major questions remain
GAO blasts T-7 delays, cites 'tenuous' Air Force-Boeing relationship
Boeing lost billion dollars on Trump Air Force One plane deal
Lockheed Martin F-35 Lightning II Canadian procurement - Wikipedia
Boeing supplier finds another problem with some fuselages
Qatar Quandary - Airline Weekly
Canada spends another US$71M on F-35 amid calls to cancel fighter jet purchase
Boeing's Billion-Dollar Mistake: The Costly Transformation of Air Force One