Air Force Staff Sgt. Steven Evans and Senior Airman Jeffrey Hughes perform post-flight checks on an F-15C Eagle fighter aircraft during Sentry Aloha 18-01 at Joint Base Pearl Harbor-Hickam, Hawaii, Jan. 9, 2018. Evans and Hughes are avionics technicians assigned to the California Air National Guard’s 144th Aircraft Maintenance Squadron. Air National Guard photo by Senior Master Sgt. Chris Drudge