Chicago OSO

The Chicago OSO is located at 800 S. Wells Ave. Suite 120 (view on Google Maps). You can call the office at 312-431-0743. You can also visit the Chicago OSO online at http://www.chicagomarineofficer.com.

After finding your local Marine OSO, learn how to apply for commissioning or prepare yourself physically for Marine OCS.

If any of the above information is incorrect, please contact me.

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