English: Flight Training at North Island (Later Rockwell Field), San Diego, California in December 1917. Upper left photo shows Major Hugh Knerr in the cockpit of a Curtiss JN-4 Jenny upon his arrival at the airfield
Date
Source
Cameron, Rebecca Hancock, 1999, Training to Fly. Military Flight Training 1907-1945 Air Force History and Museums Program, Air Force Historical Research Agency, Maxwell AFB, Alabama
Author
United States Army
Licensing
Public domainPublic domainfalsefalse
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