Why Did Boeing Already Build Over 20 Examples Of The 777-9?

TheBoeing 777X is set to revolutionize long-haul air travel when it enters commercial service in 2027. The widebody aircraft showcases the latest in aircraft technology to provide airlines with superior operational efficiency and passengers with a superior onboard experience. Although the 777X’s entry into commercial service has been pushed back by seven years, Boeing has already built multiple examples of the aircraft.