They know very well what they do - which leaves the question of forgiveness somewhat up in the air.

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Oonk:
http://old-picture.com/american-history-1900-1930s/Harriet-Oonk-E.htm.
as opposed to:
http://memory.loc.gov/service/pnp/ggbain/18400/18467v.jpg
-
Fokkers:
http://memory.loc.gov/service/pnp/ggbain/31200/31290v.jpg
http://www.cafepress.com/uncledean.64097620
http://old-picture.com/american-history-1900-1930s/looping-Fokker-A.htm