Col. Joel Jackson, 22nd Air Refueling Wing commander, uses a Quest Sound Level Meter to measure the noise of a drill bit being used by Staff Sgt. Christopher McKinney, 22nd Aircraft Maintenance Flight aircraft structures maintenance flight technician March 5, 2014, at McConnell Air Force Base, Kan. Jackson was doing the work of an Airmen from the bioenvironmental flight as a part of the Airmen for a Day program. (U.S. Air Force photo/Airman 1st Class Colby L. Hardin)
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