Staff Sgt. Chad Ericksen, 436th Maintenance Squadron Non-destructive Inspection craftsman, conducts particle testing on a crane hook March 13, 2015, at Dover Air Force Base, Del. Ericksen reports the findings of his test into the Parts, Inspection, Turnover (PIT) log that he created in 2012 as a way to better record maintenance records within NDI. (U.S. Air Force photo/Airman 1st Class William Johnson)
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