Tech. Sgt. Ryan Michalec, 437th Maintenance Squadron non-destructive inspector, uses ultraviolet lights to inspect aircraft parts without causing any damage to the parts March 8, 2014, at Joint Base Charleston, S.C. The 437th MXS NDI shop inspects metal objects ranging from nuts and bolts, to large hooks and sheets of metal. (U.S. Air Force photo/Senior Airman Dennis Sloan)

Tech. Sgt. Ryan Michalec, 437th Maintenance Squadron non-destructive inspector, turns a current on that will help reveal any cracks that may exist on aircraft parts March 8, 2014, at Joint Base Charleston, S.C. The 437th MXS NDI shop inspects metal objects ranging from nuts and bolts, to large hooks and sheets of metal. (U.S. Air Force photo/Senior Airman Dennis Sloan)

Tech. Sgt. Ryan Michalec, 437th Maintenance Squadron non-destructive inspector, sprays a dye, which glows under ultraviolet lights, to inspect a large bolt for cracks or defects March 8, 2014, at Joint Base Charleston, S.C. The 437th MXS NDI shop inspects metal objects ranging from nuts and bolts, to large hooks and sheets of metal. (U.S. Air Force photo/Senior Airman Dennis Sloan)

A dye, which glows under ultraviolet lights, pours off of a large bolt as Tech. Sgt. Ryan Michalec, 437th Maintenance Squadron non-destructive inspector, inspects for cracks or defects March 8, 2014, at Joint Base Charleston, S.C. The 437th MXS NDI shop inspects metal objects ranging from nuts and bolts, to large hooks and sheets of metal. (U.S. Air Force photo/Senior Airman Dennis Sloan)

A dye, which glows under ultraviolet lights, is painted onto a piece of aluminum so a 437th Maintenance Squadron non-destructive inspector can check the aircraft part for cracks or defects March 8, 2014, at Joint Base Charleston, S.C. The 437th MXS NDI shop inspects metal objects ranging from nuts and bolts, to large hooks and sheets of metal. (U.S. Air Force photo/Senior Airman Dennis Sloan)

Airman 1st Class Henry Paulk, 437th Maintenance Squadron non-destructive inspector, is required to wear a protective mask, apron and gloves when handling aircraft parts that have been sprayed with a dye to prevent any of the liquid from getting on his skin or in his eyes, March 8, 2014, at Joint Base Charleston, S.C. The 437th MXS NDI shop inspects metal objects ranging from nuts and bolts, to large hooks and sheets of metal. (U.S. Air Force photo/Senior Airman Dennis Sloan)

Airman 1st Class Henry Paulk, 437th Maintenance Squadron non-destructive inspector, wears gloves as he inspects a horseshoe shaped collar under ultraviolet lights while inspecting for cracks or defects in the aircraft part March 8, 2014, at Joint Base Charleston, S.C. The 437th MXS NDI shop inspects metal objects ranging from nuts and bolts, to large hooks and sheets of metal. (U.S. Air Force photo/Senior Airman Dennis Sloan)

A dye, which glows under ultraviolet lights, is sprayed onto a horseshoe shaped collar as Airman 1st Class Henry Paulk, 437th Maintenance Squadron non-destructive inspector, inspects for cracks or defects March 8, 2014, at Joint Base Charleston, S.C. The 437th MXS NDI shop inspects metal objects ranging from nuts and bolts, to large hooks and sheets of metal. (U.S. Air Force photo/Senior Airman Dennis Sloan)

Airman 1st Class Henry Paulk, 437th Maintenance Squadron non-destructive inspector, is required to wear an apron, gloves and protective mask when handling aircraft parts that have been sprayed with a dye March 8, 2014, at Joint Base Charleston, S.C. The 437th MXS NDI shop inspects metal objects ranging from nuts and bolts, to large hooks and sheets of metal. (U.S. Air Force photo/Senior Airman Dennis Sloan)