Credits and References
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A SPECIAL THANKS TO THOSE WHO GOT ME STARTED WITH THIS

Without the patience and generosity of these 20th Combat Mapping Squadron veterans, these pages wouldn't have evolved. Thank you, gentlemen.

  • David W. Ecoff, Sr - pilot
  • Ben D. Woodall - copilot
  • Challen H. Wells - aerial photographer-gunner
Dave Ecoff, reunion coordinator and publisher of the 20th Combat Mapping Squadron Association newsletter, found me in August 1998 while trying to locate my father (who had died just four months earlier).

Within days, Dave had me linked up with Ben Woodall, copilot on the crew my dad flew with. For a year I feared I'd drive either Dave or Ben, or both, nuts with nearly daily questions. I've marveled at how much they recall and delighted in their willingness to share it.

The lack of e-mail protected Challen Wells from the day-to-day queries, but he graciously accommodated me by mail.

All three men have loaned me their possesions, given me gifts relating to the squadron, and shared their time. I thank you all again.

There are two others to whom I owe a thank you:

Mike Velemirov, a fellow "son of a gunner" (20th CMS gunner, that is) for digging up the Squadron History and Mission Reports in his effort to learn more about what his dad did. These documents provided me the detail of the squadron's activities.

My mother, who lived through the war years as wife and mother of an infant son, and who saved the almost daily letters my father wrote, and dug through them and other memorabilia for me.


REFERENCES

Air Force Historical Research Agency, Squadron History of the 20th Combat Mapping Squadron, microfilm roll 10-213, Maxwell AFB, Alabama

American Photogrammetric Society, Manual of Photogrammetry, American Society of Photogrammetry, Washington, D.C., Second Ed., 1952

Blue, Allan G., The B-24 Liberator: A Pictorial History, Charles Scribner's Sons, New York, 1977

Fairchild Camera and Instrument Co., Focusing on Victory - the story of aerial photography in warfare, Jamaica, NY, 1944

Greenleaf, Allen R., Photographic Optics, The MacMillan Company, New York, 1950

Kingslake, Rudolf, Ed., Applied Optics and Optical Engineering, Vol IV, Academic Press, New York and London, 1967

Lloyd, Alwyn T., Liberator: America's Global Bomber, Pictorial Histories Publishing Company, Inc., Missoula, Montana, 1993

Maurer Mauer, Ed., Combat Squadrons of the Air Force - World War II, Albert F. Simpson Historical Research Center and Office of Air Force History, Headquarters USAF, 1982

National Archives Record of Combat Missions, 20th Combat Mapping Squadron, 6th Photo Group, National Archives, Military Field Branch, Suitland, Maryland

Price, Alfred, The History of US Electronic Warfare, The Association of Old Crows, Murray Printing Company printer, Westford, Massachusetts, 1984

Stanley, Roy M., II, World War II Photo Intelligence, Charles Scribner's Sons, New York 1981

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This page was last updated September 5, 2006