ALTUS AIR FORCE BASE, Okla. -- Units from across the 97th Air Mobility Wing participated in an active shooter exercise at L. Mendel Rivers Elementary School located at Altus Air Force Base, Oklahoma, Aug. 12, 2025. The scenario tested coordination across base agencies, ensuring readiness to respond swiftly and effectively during a lockdown incident. Exercises like this provide realistic training to evaluate Department of Defense response procedures and strengthen the installation’s ability to protect its Airmen, families, and mission.