John Johns, deputy assistant secretary of defense for maintenance, presents a commemorative coin to Tech. Sgt. Brain Parmerter and Tech. Sgt. Richard Smith, for outstanding support June 4, 2015 at Joint Base Charleston, S.C. Johns visited the 437th Maintenance Group, 437th Aircraft Maintenance Squadron and the 437th Maintenance Squadron to talk with maintainers and fuels Airmen and to see their daily mission specific to the base. He provides oversight to the Department of Defense’s annual $80 billion maintenance program. Parmerter is a member of the 437th Aircraft Maintenance Squadron and Smith is a member of the 628th Logistics Readiness Squadron. (U.S. Air Force photo/Senior Airman Jared Trimarchi)