Airman 1st Class Ashton Surber, 36th Maintenance Squadron non-destructive inspection journeyman, inspects a sample of emulsifier during a routine quality control review  Aug. 21, 2014, on Andersen Air Force Base, Guam. NDI Airmen use this chemical in the penetrant process to remove excess, nonwater-washable penetrants from an aircraft part surface.  (U.S. Air Force photo by Senior Airman Katrina M. Brisbin/Released)
Senior Airman Katrina Brisbin
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