Douglas Aircraft Company

McDonnell Douglas was a major American aerospace manufacturing corporation and defense contractor. 
It was formed by the merger of McDonnell Aircraft and the Douglas Aircraft Company in 1967. Between then and its own merger with Boeing in 1997. 
They produced well-known commercial and military aircrafts, such as the DC-10 airliner, the F-15 Eagle air superiority fighter, the MD-80 airliner, and the F/A-18 Hornet multirole fighter.