Airman Nathaniel Jensen, 56th Component Maintenance Squadron precision measurement equipment laboratory apprentice, calibrates a digital caliper using a gauge block to ensure it measures correctly Nov. 18, 2014, in Building 417 at Luke Air Force Base, Ariz. PMEL Airmen have many tools or what they call “standards” to ensure everything is accurately calibrated. (U.S. Air Force photo by Senior Airman Grace Lee/Released)
<dl><dd>Unit: 56th Fighter Wing Public Affairs</dd>
<dd>DVIDS Tags: PMEL; Precision Measurement Equipment Laboratory</dd></dl>
Senior Airman Grace Lee
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