Illinois' giant footprint in aviation extends well beyond O'Hare and Midway Airports.
Sean Gillen, senior vice president and CFO of AAR in Wood Dale, joins Rob Hart on the WBBM Noon Business Hour to explain.

<p>Illinois' giant footprint in aviation extends well beyond O'Hare and Midway Airports.<br>Sean Gillen, senior vice president and CFO of AAR in Wood Dale, joins Rob Hart on the WBBM Noon Business Hour to explain.</p>

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