GRISSOM AIR RESERVE BASE, Ind., -- Chief Master Sgt. Jeff Mercier, 434th Aircraft Maintenance Squadron, addresses the crowd gathered for his recent retirement ceremony. Chief Mercier was a long time member of the Grissom community and retired after a distinguished career that spanned both active duty and Air Force Reserve assignments. (U.S. Air Force photo/Tech. Sgt. Patrick Kuminecz)
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