Which major defense contractor began its corporate life in 1916 as a manufacturer of aircraft for World War I and later became famous for producing the B-17 Flying Fortress during WWII?

Many of today's leading defense contractors have fascinating corporate histories that stretch back decades or even centuries. Some began in entirely different industries before pivoting to military production during major conflicts, while others were founded specifically to meet wartime demands. Test your knowledge of the corporate origins behind some of the world's most significant military equipment manufacturers!

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Boeing
Lockheed Martin
Northrop Grumman
Raytheon