@CNN: Boeing unveiled an overhaul to a software system and the pilot training of its signature 737 MAX plane https://t.co/JqbpjQIy2K https://t.co/cLTJLYOlqJ
Boeing unveiled an overhaul to a software system and the pilot training of its signature 737 MAX plane https://t.co/JqbpjQIy2K pic.twitter.com/cLTJLYOlqJ
— CNN (@CNN) March 27, 2019