Airman 1st Class Nicole Edgecomb, 15th Maintenance Squadron nondestructive inspection technician, performs a daily calibration on a magnetic particle machine on Joint Base Pearl Harbor-Hickam, Hawaii, July 9, 2024. Edgecomb uses magnetic particle solution coated with fluorescent color to cover the object to inspect cracks visually and the structural integrity of mechanical parts. (U.S Air Force photo by Senior Airman Mark Sulaica)