SAN DIEGO (December 17, 2020) Sailors attending the Automated Digital Network System course at Information Warfare Training Command (IWTC) San Diego work on a facilitated task during the course. IWTC San Diego, as part of the Center for Information Warfare Training, provides a continuum of training to Navy and joint service personnel that prepares them to conduct information warfare across the full spectrum of military operations. (U.S. Navy photo by Electronics Technician 1st Class Christopher Yoshida /Released)