Airline Dispatchers Federation.
Representing the professional interests of the Aircraft Dispatcher.
This navaid is located at a General Aviation airport in the United States.  It is on an RNAV arrival procedure to a major airport.  

A famous cat’s creator and a rebel both grew up near here.

Email: with your guess!

This month's winners:
1.  Wally Wilson
2.  Pete Crawford
3.  Mark Monse - SWA Retired
4.  Dale Gentry - SWA
5.  Adam Schweber - Empire
6.  Arthur Carson - Miami Dade College
7. Adam Gutterman

ANSWER: MZZ (Marion) Indiana