Staff Sgt. Tyler Dickson, 512th Maintenance Squadron aircraft metal technician, measures drill holes on an aluminum plate at Dover Air Force Base, Delaware, Jan. 6, 2019. Dickson utilized the vertical mill computer numeric system to engineer a replica of one of three sample plates needed for a HH-60G Pave Hawk helicopter. (U.S. Air Force photo by Staff Sgt. Damien Taylor)