U.S. Marine Corps Lance Cpl. Christopher Dondzil, a cyberspace defensive operator with Defensive Cyberspace Operations - Internal Defensive Measures Company, 7th Communication Battalion, III Marine Expeditionary Force Information Group, competed in a joint cyber competition hosted by the Japan Self-Defense Force at the Japan Ministry of Defense Base Ichigaya, Japan, Dec. 6-7, 2021. - U.S. Marine Corps Lance Cpl. Christopher Dondzil, a cyberspace defensive operator with Defensive Cyberspace Operations - Internal Defensive Measures Company, 7th Communication Battalion, III Marine Expeditionary Force Information Group, competed in a joint cyber competition hosted by the Japan Self-Defense Force at the Japan Ministry of Defense Base Ichigaya, Japan, Dec. 6-7, 2021.