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Currently Playing: The Martin BM-1 was the US Navy's First Step on the Road to the Dive Bombers of Coral Sea and Midway

In this week's interwar video I'm covering the Martin BM-1, a completely forgotten aircraft that played a fundamental role in the development of US carrier attack doctrine in the 1930s. The BM-1 was the first US Navy aircraft able to take a bomb heavy enough to damage a capital ship into a dive steep enough to reliably hit the target. Contrary to some reporting the wings only fell off some of the time...