On April 28, 1967, the two companies merged as McDonnell Douglas Corporation, headquartered at McDonnell's old facility in St. Louis, Missouri. Douglas Aircraft continued as a wholly owned subsidiary of McDonnell Douglas, while its space and missiles division became part of a new subsidiary called McDonnell Douglas Astronautics Company.
Headquartered in Chicago, The Boeing Company is the biggest combined manufacturer of commercial jets and military aircraft. Its business segments include Defence, Space & Security; Commercial Airplanes; Boeing Capital; and Shared Services Group.
American Airlines / Quatar Airlines / Delta Airlines / Thai Airways
Armavia / Airchina / China Airlines / United Airlines / REX Airline / Etihad Airline
Malaysia Airline / Era Ravn Alaska / Bristow Helicopters / Eastern Airlines
Centurion Cargo / Air Canada-Rouge / Mount Cook Airline / Airbridge Cargo / Alaskan Airline
Tower: "Delta 351, you have traffic at 10 o'clock, 6 miles."
Delta 351: "Give us another hint! We have digital watches."