U.S. Air Force Senior Airman Gabriel Contreras, a 13th Aircraft Maintenance Unit crew chief, shows members of the Japan Air Self-Defense Force a magnetic chip detector during an aviation training relocation at Komatsu Air Base, Japan, Oct. 2, 2019. U.S. Airmen trained JASDF counterparts on the inner workings of the F-16 Fighting Falcon. (U.S. Air Force photo by Senior Airman Collette Brooks)