National Guard Soldiers and Airmen and members of the Virginia Defense Force partner with military and civilian cyber operators in enclaves to simulate the process they would follow to respond to and mitigate a cyber attack Aug. 11, 2025, at the State Military Reservation in Virginia Beach, Virginia, during Cyber Fortress 25. The exercise focused on electric cooperatives and provided an opportunity to test Virginia’s cyber response plan, better prepare for future collective responses and build resiliency. In addition, representatives from several foreign militaries participated in the exercise, including a number from Finland, Virginia National Guard’s State Partnership Program's partner. The Fort Belvoir-based 91st Cyber Brigade and Information Operations Support Center hosted the exercise which includes a re-certification of two cyber protection teams and one battalion headquarters as part of their federal mission.