We tried to learn how to secure quantity production of airplanes the hard way. We never accepted the fundamental principle that an air-plane building… - Henry H. Arnold

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We tried to learn how to secure quantity production of airplanes the hard way. We never accepted the fundamental principle that an air-plane building program must be supervised by men who know how to design and construct airplanes.... Certainly, World War I definitely proved that trained aviation personnel can be turned out much faster than we can turn out airplanes. The truth is, the foundation for any workable production plan for aircraft must be built up in time of peace.