Boeing President and CEO Dave Calhoun acknowledged Wednesday the company has "much to prove" as it works to regain trust after a door plug panel flew off one of its 737 Max 9 aircraft midflight earlier this month. In a letter to employees released alongside the company's year-end 2023 results, Calhoun said he remains focused on the incident that occurred on an Alaska Airlines flight and how Boeing can strengthen its quality controls. "Over the last several weeks I’ve spoken to many of you, and I’ve had toug ...