This Day in Aviation History

September 8th, 1939
First flight of the Vultee 48, a prototype of the P-66 Vanguard.

joebaugher.com, Vultee P-66:   http://bit.ly/1lNwEmx

Wikipedia, Vultee P-66 Vanguard:   http://bit.ly/1qAhPUp

Further reading:
Wikipedia, Vultee BT-13 Valiant:   http://bit.ly/1lRa7FC

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