Senior Airman Jared Allen, 380th Expeditionary Maintenance Squadron Nondestructive Inspection journeyman, cleans the spectrometer after demonstrating how to run a Joint Oil Analysis Program, April 12, 2019, on Al Dhafra Air Base, United Arab Emirates. JOAPs is the system used to analyze metals found in engine oil, allowing the inspector to identify potential breakdown within the engine of the tested aircraft. (U.S. Air Force photo by Tech. Sgt. Jocelyn A. Ford)