McDonnell refers to the McDonnell Douglas Corporation, an American aerospace manufacturer and defense contractor. Founded in 1939, it became known for producing military aircraft, commercial airliners, and space vehicles. The company played a significant role in the development of iconic aircraft like the F-15 Eagle and the DC-10. In 1997, McDonnell Douglas merged with Boeing, one of the largest aerospace companies in the world. This merger expanded Boeing's capabilities in both commercial and military aviation. Today, the legacy of McDonnell Douglas continues through Boeing's extensive product line and ongoing innovations in aerospace technology.