Doctor Metal: 437th MXS NDI Craftsman Published March 13, 2013 By Senior Airman Dennis Slone Joint Base Charleston Public Affairs JOINT BASE CHARLESTON, S.C. -- Staff Sgt. John Price, 437th Maintenance Squadron non-destructive inspector, uses various dyes, ultraviolet lights and X-rays to inspect aircraft parts without causing any damage to the parts. The 437th MXS NDI shop inspects metal objects ranging from nuts and bolts, to large hooks and sheets of metal. (U.S. Air Force illustration/Senior Airman Dennis Sloan) Click here for full slideshow