170424-N-LA529-003 GROTON, Conn. (April 24, 2017) Aviation Electronics Mate 1st Class Holli Corcoran, right, Seaman Apprentice Brandon Atwell, Seaman Charles Julton, Seaman Apprentice Alex Musante, and Seaman Apprentice Evan Kaytes, all students in Class 17090, listen to a topic review during a submarine electronics computer field apprentice course training. (U.S. Navy photo by William Kenny/Released)