Immediate Response 25 is a U.S. Army large-scale exercise enhancing cyber and CBRNE defense capabilities, NATO integration through state partnership readiness programs and multinational exercises to equip NATO’s regional plans and uphold U.S. commitments to the Alliance. Immediate Response 25 demonstrates multinational live fires conducted with NATO networks, a cyber exercise, water crossing, and CBRNE exercises from May 26 - June 9 with over 12,000 participants and hosted in eight countries to include Albania, Bulgaria, Croatia, Greece, Kosovo, Montenegro, North Macedonia, and Slovakia.