U.S. service members participate in defensive cyber operations during exercise Southern Defender 25
U.S. Marine Corps Lance Cpl. Anthony Hodge, cyber warfare operator, Defensive Cyberspace Operations Internal Defensive Measures, works through simulated cyber threats during exercise Southern Defender 25 in Augusta, Georgia, May 6, 2025. SD 25 is a defensive cyberspace operations focused exercise designed for the U.S. and Allies and partners to collectively strengthen cyberspace awareness, exercise joint all domain operations and counter harmful actors while building multi-lateral capacity. (U.S. Marine Corps photo by Sgt. Samuel Qin)