Launcher Sight Adjustment
Army Spc. Chevy Yockman adjusts the rear elevation sight for an M136E1 AT4-CS light anti-armor rocket launcher during live-fire training at Joint Base Elmendorf-Richardson, Alaska, Oct. 12, 2017. Yockman is assigned to the 109th Transportation Company, 17th Combat Sustainment Support Battalion. Air Force photo by Alejandro Pena