170407-N-FO977-903 PENSACOLA, Fla. (April 7, 2017) Navy Junior Reserve Officers Training Corps (NJROTC) cadets from Centennial High School in Las Vegas, Nevada, perform curl-ups during the athletic portion of the 2017 NJROTC National Academic, Athletic and Drill Championship on Naval Air Station Pensacola, Florida, April 7. (U.S. Navy photo by Michael F. Miller/Released)