Staff Sgt. David Johnson, a client systems technician assigned to the 910th Communications Squadron, opens the bottom of a laptop to replace the battery, Jan. 11, 2019, at Youngstown Air Reserve Station. The 910th CS’s Client Systems Technicians Section maintains the 910th Airlift Wing’s computer equipment and responds to technical trouble tickets on the installation. (U.S. Air Force photo/Senior Airman Noah J. Tancer)