https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/4035916Edit ImageSaveSaveEditCropCustom TextAirman 1st Class Brandon Rounds, a native of Salt Lake City, Utah, assigned to the Nondestructive Inspection section of the 3rd Maintenance Unit, prepares to test aircraft lubricants for contaminants at Joint Base Elmendorf-Richardson, Alaska, Jan. 10, 2017. Nondestructive inspection Airmen analyze wear metal content on engine lubricating oil and other fluids, as well as detect flaws such as cracks, voids and heat damage on aircraft parts utilizing various test equipment. (U.S. Air Force photo/Justin Connaher). Original public domain image from FlickrMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 834 px | 300 dpiLarge JPEG 3500 x 2434 px | 300 dpiBest Quality JPEG 3686 x 2563 px | 300 dpiFree DownloadAirman 1st Class Brandon Rounds, a native of Salt Lake City, Utah, assigned to the Nondestructive Inspection section of the 3rd Maintenance Unit, prepares to test aircraft lubricants for contaminants at Joint Base Elmendorf-Richardson, Alaska, Jan. 10, 2017. Nondestructive inspection Airmen analyze wear metal content on engine lubricating oil and other fluids, as well as detect flaws such as cracks, voids and heat damage on aircraft parts utilizing various test equipment. (U.S. Air Force photo/Justin Connaher). Original public domain image from FlickrMore