A crew chief assigned to the 158th Maintenance Group, 158th Fighter Wing, Vermont Air National Guard, works on a computer beside an F-35A Lightning II at the Vermont Air National Guard Base, South Burlington, Vt., Feb. 12, 2020. Vermont’s 158th Fighter Wing partnered with Kessel Run to complete its first test and evaluation of their new software, a suite known as Mad Hatter, during February 2020 at the Vermont Air National Guard Base in South Burlington. (U.S. Air National Guard photo by Miss Julie M. Shea)