http://www.straightdope.com/columns/read/332/did-john-wayne-ever-serve-in-the-military
An earlier discussion thread, including a link to Cecil’s somewhat more pungent 1998 column, “Was John Wayne a draft dodger?”: Duke [John Wayne]'s military service - Cecil's Columns/Staff Reports - Straight Dope Message Board
Looks to me like you’ve included the answer(s) to your title. What am I missing?
Click on the second link and find out!
As a student at UC Irvine, my father had a part-time job on Balboa Island, and would occasionally see John Wayne walking around sipping from a flask completely bald from the cancer treatment. I didn’t realize that he wore a wig.