Mariam Cocker, an “Air Force STEM 2020 Challenge” contest winner from Eleanor Roosevelt high school in Maryland, takes the controls of an F-35 Lightning II joint strike fighter simulator, while taking instructions from a Lockheed Martin Fighter Demonstration Center representative April 20, 2012. The 317th Recruiting Squadron’s STEM 2020 Challenge was an essay contest designed to inspire innovation and creativity in science, technology, engineering and math programs. (U.S. Air Force photo)