Air Force Staff Sgt. Kiley Everett trouble shoots avionics systems on a HH-60G Pave Hawk helicopter at an undisclosed location, Nov., 21, 2017. Everett is a crew chief assigned to the 801st Expeditionary Maintenance Squadron. Difficult weather and lighting conditions require combat search and rescue aircraft equipped with advanced avionics systems - and trained specialists capable of maintaining them. Air Force photo by Staff Sgt. Joshua Kleinholz