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Master Sgt. Alfonso Martinez, a member of the 146th Airlift Wing Equal Opportunity Office, demonstrates parts of a promotion board to Airmen at the military board prep class at Channel Islands Air National Guard Station on July 14, 2013. Command Chief Master Sgt. Richard Onsgard held the class in order to show Airmen and junior NCOs for the best way to prepare and handle a military board. Air National Guard photo by Master Sgt. Dave Buttner
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