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Ohio County Public Library: Bill Hogan Sr., WWI pilot
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Ohio County Public Library: Air Service, U.S. Army Signal Corps, Dog in Aircraft, WWI
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Ohio County Public Library: Air Service, U.S. Army Signal Corps, Crashed Aircraft, WWI
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Ohio County Public Library: Air Service, U.S. Army Signal Corps, Crashed Aircraft, WWI
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Ohio County Public Library: Air Service, U.S. Army Signal Corps Aircraft, WWI
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Ohio County Public Library: Air Service, U.S. Army Signal Corps Aircraft, Aerial View, WWI
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Ohio County Public Library: Air Service, U.S. Army Signal Corps Aircraft, WWI
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Ohio County Public Library: Air Service, U.S. Army Signal Corps Aircraft, WWI
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Ohio County Public Library: Air Service, U.S. Army Signal Corps Pilots and Friends, WWI - William Hogan Sr., far right
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Ohio County Public Library: Air Service, U.S. Army Signal Corps Pilots, WWI - William Hogan Sr., third from left
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Ohio County Public Library: Air Service, U.S. Army Signal Corps "Flying Aces," WWI - William Hogan Sr., second from left
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Ohio County Public Library: William Hogan Sr., Instructor for the Air Service, U.S. Army Signal Corps, WWI
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Ohio County Public Library: William Hogan Sr., Instructor for the Air Service, U.S. Army Signal Corps, WWI
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Ohio County Public Library: William Hogan Sr., Instructor for the Air Service, U.S. Army Signal Corps, WWI