The Ford team knew how to build a lot of B-24s quickly: mass production on an assembly line. Depending on the model, the B-24 was manned by a crew of ... with a four-engine Liberator bomber ...

On this day in aviation history, December 29, 1939, the first prototype of the Consolidated B-24 Liberator made its first flight. In time, the Liberator would become the most widely produced ...