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1
Hap Arnold : the general who invented the U.S. Air Force /
Published 2013An electronic book accessible through the World Wide Web; click to view
Electronic eBook -
2
The United States Air Force a chronology /
Published 2011An electronic book accessible through the World Wide Web; click to view
Electronic eBook -
3
Wingless eagle U.S. Army aviation through World War I /
Published 2001An electronic book accessible through the World Wide Web; click to view
Electronic eBook -
4