Senior Airman Logan Lingren, 92nd Maintenance Squadron aircraft structural maintenance technician, creates a rivet pattern on a piece of sheet metal Nov. 15, 2016, at Fairchild Air Force Base. Lingren has been at Fairchild since 2012. He leads many programs in his shop and trains new Airmen on the basics of aircraft structural maintenance. (U.S. Air Force photo/Senior Airman Mackenzie Richardson)