Pennsylvania Air National Guard Staff Sgt. Emery Barrett and Airman 1st Class Reanna Keener move a shuttle valve to the correct side of an aircraft brake assembly for an EC-130J Commando Solo in Middletown, Pa., April 5, 2017. Barrett is a hydraulic technician and Keener is a crew chief assigned to the Pennsylvania Air National Guard’s 193rd Special Operations Maintenance Squadron. Air National Guard photo by Master Sgt. Culeen Shaffer