Air Force Operational Test and Evaluation Center, Detachment 4 personnel are positioned next to operators while testing a weapons system, Feb. 13, 2019, at Peterson Air Force Base, Colo. AFOTEC’s mission is to test weapons systems in operationally realistic environments with the goal to inform warfighters from the lessons learned and influence national resource decisions based on the test results. (U.S. Air Force photo by Cameron Hunt)