Image: Major General Sir Hugh Trenchard

Description: Major-General Sir Hugh Trenchard as Chief of the Air Staff
Title: Major General Sir Hugh Trenchard
Credit: Flight magazine archives (http://www.flightglobal.com/pdfarchive/view/1919/1919%20-%200793.html)
Author: Unknown — Not given in Flight International magazine. Not found by Google image search. Not available in uploader's extensive library on British air power history.
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Usage Terms: Public domain
License: Public domain
Attribution Required?: No